diff --git a/2023/days/.gitignore b/2023/days/.gitignore
new file mode 100755
index 0000000..afea973
--- /dev/null
+++ b/2023/days/.gitignore
@@ -0,0 +1,16 @@
+data
+
+# Generated by Cargo
+# will have compiled files and executables
+debug/
+target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# MSVC Windows builds of rustc generate these, which store debugging information
+*.pdb
diff --git a/2023/days/01/part2/Cargo.toml b/2023/days/01/part2/Cargo.toml
new file mode 100755
index 0000000..e73cff3
--- /dev/null
+++ b/2023/days/01/part2/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "part2"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/2023/days/01/part2/src/main.rs b/2023/days/01/part2/src/main.rs
new file mode 100755
index 0000000..bfb3aee
--- /dev/null
+++ b/2023/days/01/part2/src/main.rs
@@ -0,0 +1,80 @@
+use std::cmp;
+use std::collections::HashMap;
+use std::fs;
+
+// Extract all numbers, digits and letter written digits
+fn extract_numbers(line: &str) -> Vec<u32> {
+    let written_digits: Vec<&str> = vec![
+        "one", "two", "three", "four", "five", "six", "seven", "eight", "nine",
+    ];
+    let mut max_tail_overlaps: HashMap<&str, u32> = HashMap::new();
+    // Compute the size of the suffix of number i overlaping with prefix of number j:
+    for suffix_number in &written_digits {
+        max_tail_overlaps.insert(suffix_number.clone(), 0);
+        for prefix_number in &written_digits {
+            if suffix_number != prefix_number {
+                let mut overlap: u32 = 0;
+                for i in 0..(cmp::min(prefix_number.len(), suffix_number.len())) {
+                    if suffix_number.chars().nth_back(i) == prefix_number.chars().nth(i) {
+                        overlap += 1;
+                    } else {
+                        break;
+                    }
+                }
+                if overlap > max_tail_overlaps[suffix_number] {
+                    max_tail_overlaps.insert(suffix_number, overlap);
+                }
+            }
+        }
+    }
+    let mut numbers: Vec<u32> = Vec::new();
+    let mut current_digit_word: String = "".to_owned();
+    for character in line.chars() {
+        if character.is_digit(10) {
+            numbers.push(character.to_digit(10).unwrap());
+            current_digit_word = "".to_owned(); // Reset writing word
+        } else {
+            current_digit_word.push(character);
+            // Check for the presence of any of the digit words
+            for (index, digit_writing) in written_digits.iter().enumerate() {
+                let word_length = digit_writing.len();
+                let positions: Vec<(usize, &str)> =
+                    current_digit_word.match_indices(digit_writing).collect();
+                if positions.len() > 0 {
+                    let digit = index as u32 + 1;
+                    numbers.push(digit);
+                    let start_position = positions[0].0;
+                    let end_position =
+                        start_position + word_length - max_tail_overlaps[digit_writing] as usize;
+                    let current_digit_word_slice = &current_digit_word[end_position..];
+                    current_digit_word = current_digit_word_slice.to_owned();
+                }
+            }
+        }
+    }
+    numbers
+}
+
+// Extract number including letters
+fn extract_number(line: &str) -> u32 {
+    let numbers: Vec<u32> = extract_numbers(line);
+    let first: u32 = numbers[0];
+    let last: u32 = numbers[numbers.len() - 1];
+    let number: u32 = first * 10 + last;
+    number
+}
+
+fn main() {
+    let input_filename: &str = "../data/input.txt";
+
+    let contents =
+        fs::read_to_string(input_filename).expect("Should have been able to read the file");
+
+    let mut sum: u32 = 0;
+    for line in contents.lines() {
+        let number = extract_number(line);
+        println!("{}\t{:?}", line, number);
+        sum += number;
+    }
+    println!("{:?}", sum);
+}
diff --git a/2023/days/01/trebuchet/Cargo.toml b/2023/days/01/trebuchet/Cargo.toml
new file mode 100755
index 0000000..5d49fb2
--- /dev/null
+++ b/2023/days/01/trebuchet/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "trebuchet"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/2023/days/01/trebuchet/src/main.rs b/2023/days/01/trebuchet/src/main.rs
new file mode 100755
index 0000000..cf66ae9
--- /dev/null
+++ b/2023/days/01/trebuchet/src/main.rs
@@ -0,0 +1,33 @@
+use std::fs;
+
+fn extract_number(line: &str) -> u32 {
+    let mut has_digit: bool = false;
+    let mut first: u32 = 0;
+    let mut last: u32 = 0;
+    for character in line.chars() {
+        if character.is_digit(10) {
+            if !has_digit {
+                has_digit = true;
+                first = character.to_digit(10).unwrap();
+            }
+            last = character.to_digit(10).unwrap();
+        }
+    }
+    let number: u32 = first * 10 + last;
+    number
+}
+
+fn main() {
+    let input_filename: &str = "../data/input.txt";
+
+    let contents =
+        fs::read_to_string(input_filename).expect("Should have been able to read the file");
+
+    let mut sum: u32 = 0;
+    for line in contents.lines() {
+        let number = extract_number(line);
+        // println!("{:?}", number);
+        sum += number;
+    }
+    println!("{:?}", sum);
+}
diff --git a/2023/days/02/part1.py b/2023/days/02/part1.py
new file mode 100755
index 0000000..de755e0
--- /dev/null
+++ b/2023/days/02/part1.py
@@ -0,0 +1,32 @@
+with open("data/input.txt", "r") as f:
+    games = f.read()
+
+limits = {
+    "red": 12,
+    "green": 13,
+    "blue": 14
+}
+
+s = 0
+
+for game in games.split("\n")[:-1]:
+    parts = game.split(":")
+    head = parts[0]
+    identifier = head.split(" ")[1]
+    overflow = False
+    for draw in parts[1].split(";"):
+        draw = draw.strip()
+        for count in draw.split(","):
+            count = count.strip()
+            count_parts = count.split(" ")
+            color = count_parts[1]
+            amount = int(count_parts[0])
+            if amount > limits[color]:
+                overflow = True
+                break
+        if overflow:
+            break
+    if not overflow:
+        s += int(identifier)
+
+print(s)
diff --git a/2023/days/02/part1/cube.pl b/2023/days/02/part1/cube.pl
new file mode 100755
index 0000000..b8f0995
--- /dev/null
+++ b/2023/days/02/part1/cube.pl
@@ -0,0 +1,62 @@
+#!/usr/bin/env perl
+use warnings;
+use strict;
+
+my $filename = '../data/input.txt';
+
+open(FH, '<', $filename) or die $!;
+
+sub possible_id {
+    my $line = $_[0];
+    my $reds = $_[1];
+    my $greens = $_[2];
+    my $blues = $_[3];
+    my @colors = qw(red green blue);
+    my @quantities = ($reds, $greens, $blues);
+    # Extract the id and game draws
+    my @game_parts = split /:/, $line, 2;
+    my @id_parts = split / /, $game_parts[0], 2;
+    my $id = $id_parts[1];
+    my @game_plays = split /;/, $game_parts[1];
+    foreach my $play (@game_plays) {
+        my @color_counts = (0, 0, 0);
+        my @play_draws = split /,/, $play;
+        foreach my $draw (@play_draws) {
+            my @draw_parts = split / /, $draw;
+            my $color = $draw_parts[2];
+            my $amount = int($draw_parts[1]);
+            for ((0..2)) {
+                my $idx = $_;
+                my $limit_color = $colors[$idx];
+                my $limit_amount = $quantities[$idx];
+                if ($color eq $limit_color) {
+                    $color_counts[$idx] += $amount;
+                }
+            }
+        }
+        # print join(", ", @color_counts) . "\n";
+        for ((0..2)) {
+            if ($quantities[$_] < $color_counts[$_]) {
+                return 0;
+
+            }
+        }
+    }
+    return int($id);
+}
+
+my $reds_limit = 12;
+my $greens_limit = 13;
+my $blues_limit = 14;
+
+my $sum = 0;
+while (<FH>) {
+    # print $_;
+    my $id = possible_id($_, $reds_limit, $greens_limit, $blues_limit);
+    $sum += $id;
+    # print $id . "\n";
+}
+
+close(FH);
+
+print $sum . "\n";
diff --git a/2023/days/02/part2.py b/2023/days/02/part2.py
new file mode 100755
index 0000000..18e057b
--- /dev/null
+++ b/2023/days/02/part2.py
@@ -0,0 +1,31 @@
+
+import numpy as np
+
+with open("data/input.txt", "r") as f:
+    games = f.read()
+
+limits = {
+    "red": 12,
+    "green": 13,
+    "blue": 14
+}
+
+s = 0
+
+for game in games.split("\n")[:-1]:
+    parts = game.split(":")
+    head = parts[0]
+    identifier = head.split(" ")[1]
+    max_counts = dict(red=0, green=0, blue=0)
+    for draw in parts[1].split(";"):
+        draw = draw.strip()
+        for count in draw.split(","):
+            count = count.strip()
+            count_parts = count.split(" ")
+            color = count_parts[1]
+            amount = int(count_parts[0])
+            if amount > max_counts[color]:
+                max_counts[color] = amount
+    s += np.prod(list(max_counts.values()))
+
+print(s)
diff --git a/2023/days/03/part1.py b/2023/days/03/part1.py
new file mode 100755
index 0000000..842a85d
--- /dev/null
+++ b/2023/days/03/part1.py
@@ -0,0 +1,47 @@
+with open("data/input.txt", "r") as f:
+    data = f.read()
+
+table = [
+    [item for item in row]
+    for row in data.split("\n")
+]
+
+symbols = "&~\"#'{([-|`_\\^`])}@)]=+}$£%*!§/:;,?<>"
+
+
+parts = []
+
+positions = set()
+
+for i in range(len(table)):
+    for j in range(len(table[i])):
+        letter = table[i][j]
+        if letter in symbols:
+            found = False
+            for dx in [-1, 0, 1]:
+                for dy in [-1, 0, 1]:
+                    y = i + dx
+                    x = j + dy
+                    if x >= 0 and x < len(table[i]) and y >= 0 and y <= len(table):
+                        number = ""
+                        digit = table[y][x]
+                        if digit != "." and digit.isdigit():
+                            number = digit
+                            found = True
+                            # Extend right
+                            shift = 1
+                            idx = x + shift
+                            while idx >= 0 and idx < len(table[y]) and table[y][idx] != "." and table[y][idx].isdigit():
+                                number = number + table[y][idx]
+                                idx += shift
+                            position = (y, idx)
+                            # Extend left
+                            shift = -1
+                            idx = x + shift
+                            while idx >= 0 and idx < len(table[y]) and table[y][idx] != "." and table[y][idx].isdigit():
+                                number = table[y][idx] + number
+                                idx += shift
+                            if position not in positions:
+                                positions.add(position)
+                                parts.append(int(number))
+print(sum(parts))
diff --git a/2023/days/03/part2.py b/2023/days/03/part2.py
new file mode 100755
index 0000000..ffb623c
--- /dev/null
+++ b/2023/days/03/part2.py
@@ -0,0 +1,51 @@
+import numpy as np
+
+with open("data/input.txt", "r") as f:
+    data = f.read()
+
+table = [
+    [item for item in row]
+    for row in data.split("\n")
+]
+
+symbols = "&~\"#'{([-|`_\\^`])}@)]=+}$£%*!§/:;,?<>"
+
+
+gears = []
+
+
+for i in range(len(table)):
+    for j in range(len(table[i])):
+        letter = table[i][j]
+        if letter == "*":
+            gear_numbers = []
+            positions = set()
+            for dx in [-1, 0, 1]:
+                for dy in [-1, 0, 1]:
+                    y = i + dx
+                    x = j + dy
+                    if x >= 0 and x < len(table[i]) and y >= 0 and y <= len(table):
+                        number = ""
+                        digit = table[y][x]
+                        if digit != "." and digit.isdigit():
+                            number = digit
+                            found = True
+                            # Extend right
+                            shift = 1
+                            idx = x + shift
+                            while idx >= 0 and idx < len(table[y]) and table[y][idx] != "." and table[y][idx].isdigit():
+                                number = number + table[y][idx]
+                                idx += shift
+                            position = (y, idx)
+                            # Extend left
+                            shift = -1
+                            idx = x + shift
+                            while idx >= 0 and idx < len(table[y]) and table[y][idx] != "." and table[y][idx].isdigit():
+                                number = table[y][idx] + number
+                                idx += shift
+                            if position not in positions:
+                                positions.add(position)
+                                gear_numbers.append(int(number))
+            if len(gear_numbers) == 2:
+                gears.append(np.prod(gear_numbers))
+print(sum(gears))
diff --git a/2023/days/04/part1.pl b/2023/days/04/part1.pl
new file mode 100755
index 0000000..d14c638
--- /dev/null
+++ b/2023/days/04/part1.pl
@@ -0,0 +1,41 @@
+#!/usr/bin/env perl
+use warnings;
+use strict;
+use List::Util;
+
+my $filename = "./data/input.txt";
+
+open(FH, '<', $filename) or die $!;
+
+my $score = 0;
+while (<FH>) {
+    my $card = $_;
+    my $points = 0;
+    my @parts = split /:/, $card;
+    my @lists = split /\|/, $parts[1];
+    my @winning = split ' ', $lists[0];
+    my @numbers = split ' ', $lists[1];
+    my @previous = ();
+    foreach my $number (@numbers) {
+        if ($number eq " ") {
+            print $_;
+        }
+        if ((List::Util::any { $_ eq $number } @winning) && (List::Util::all { $_ ne $number } @previous)) {
+            push(@previous, $number);
+            if ($points == 0) {
+                $points = 1;
+            } else {
+                $points *= 2;
+            }
+            # print $number . ", ";
+        }
+    }
+    #if ($points == 0) {
+    #    print "no points" . "\n";
+    #} else {
+    #    print $points . " points\n";
+    #}
+    $score += $points;
+}
+
+print $score . "\n";
diff --git a/2023/days/04/part2.py b/2023/days/04/part2.py
new file mode 100755
index 0000000..87bd6e7
--- /dev/null
+++ b/2023/days/04/part2.py
@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+import queue
+
+with open("data/input.txt", "r") as f:
+    data = f.read()
+
+q = queue.Queue()
+
+def winning_copies(card):
+    lists = card.split(":")[1].split("|")
+    winning = lists[0].split()
+    numbers = lists[1].split()
+    matching = 0
+    for number in numbers:
+        if number in winning:
+            matching += 1
+    return matching
+
+cards = data.split("\n")
+cards.remove("")
+for i, card in enumerate(cards):
+    q.put((i, card))
+
+counter = 0
+while not q.empty():
+    i, card = q.get()
+    copies = winning_copies(card)
+    if copies > 0:
+        for j in range(1, copies+1):
+            copy = cards[i+j]
+            q.put((i+j, copy))
+    counter += 1
+
+print(counter)
diff --git a/2023/days/05/Makefile b/2023/days/05/Makefile
new file mode 100755
index 0000000..d2c3cb9
--- /dev/null
+++ b/2023/days/05/Makefile
@@ -0,0 +1,13 @@
+##
+# Project Title
+#
+# @file
+# @version 0.1
+
+SOURCE=part1
+
+run:
+	ocamlopt $(SOURCE).ml -o $(SOURCE)
+	./$(SOURCE)
+
+# end
diff --git a/2023/days/05/part1 b/2023/days/05/part1
new file mode 100755
index 0000000..8e2897a
Binary files /dev/null and b/2023/days/05/part1 differ
diff --git a/2023/days/05/part1.cmi b/2023/days/05/part1.cmi
new file mode 100755
index 0000000..76b7e35
Binary files /dev/null and b/2023/days/05/part1.cmi differ
diff --git a/2023/days/05/part1.ml b/2023/days/05/part1.ml
new file mode 100755
index 0000000..c29c6fe
--- /dev/null
+++ b/2023/days/05/part1.ml
@@ -0,0 +1,27 @@
+let file = "data/sample.txt"
+
+let rec next previous map =
+  let apply destination source range value =
+    let delta = value - source in
+    destination + delta
+  in match map with
+     | [] -> None
+     | (destination, source, range)::q when
+            previous >= previous && previous <= previous + range
+            -> Some(apply destination source range previous)
+     | h::q -> next previous q
+
+let res = next 98 [(50,98,2);(52,50,48)]
+
+
+let () =
+  let ic = open_in file in
+      let line = input_line ic in
+      (* read line *)
+      print_endline line;
+      flush stdout;
+      close_in ic
+    with e -> close_in_noerr ic;
+             raise e
+
+let () = print_endline file
diff --git a/2023/days/05/part1.py b/2023/days/05/part1.py
new file mode 100755
index 0000000..297f1e4
--- /dev/null
+++ b/2023/days/05/part1.py
@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+# day 5 - Advent of Code 2023
+# part 1
+
+import numpy as np
+import pandas as pd
+
+with open("data/sample.txt", "r") as f:
+    data = f.read()
+
+parts = data.split("\n\n")
+
+seeds = parts[0]
+seeds = seeds.split(": ")[1].split()
+seeds = list(map(int, seeds))
+maps = [
+    [
+        [int(item) for item in values.split()]
+        for values in themap.split("\n")[1:]
+        if values != ""
+    ]
+    for themap in parts[1:]
+]
+
+
+def recursive_min_descent(seed, maps):
+    current = seed
+    for submap in maps:
+        for indication in submap:
+            destination, source, size = indication
+    return current
+
+
+"""
+soils = list(map(lambda seed: descent(seed, maps), seeds))
+
+seeds = range(0, 99)
+
+df = pd.DataFrame(
+    dict(seed=seeds, soil=list(map(lambda seed: descent(seed, maps), seeds)))
+)
+
+"""
+# Check that no map indication overlaps
+for submap in maps:
+    for indication1 in submap:
+        _, start1, range1 = indication1
+        for indication2 in submap:
+            if indication1 == indication2:
+                continue
+            _, start2, range2 = indication2
+            if not (start2 > start1 + range1 or start1 > start2 + range2):
+                print("overlap")
+
+print(df)
diff --git a/2023/days/05/rust/part1/Cargo.toml b/2023/days/05/rust/part1/Cargo.toml
new file mode 100755
index 0000000..d53465e
--- /dev/null
+++ b/2023/days/05/rust/part1/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "part1"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/2023/days/05/rust/part1/src/main.rs b/2023/days/05/rust/part1/src/main.rs
new file mode 100755
index 0000000..cd5100d
--- /dev/null
+++ b/2023/days/05/rust/part1/src/main.rs
@@ -0,0 +1,93 @@
+use std::fs;
+
+fn parse_steps(lines: std::str::Lines) -> Vec<Vec<Vec<u32>>> {
+    let mut steps: Vec<Vec<Vec<u32>>> = Vec::new();
+    let mut step: Vec<Vec<u32>> = Vec::new();
+    for line in lines {
+        if line.contains("-to-") {
+            step = Vec::new();
+            steps.push(step);
+        } else if line != "" {
+            let numbers: Vec<&str> = line.split(" ").collect();
+            let numbers: Vec<u32> = numbers
+                .iter()
+                .map(|string| {
+                    let number: u32 = string.parse().unwrap();
+                    number
+                })
+                .collect();
+            let n = steps.len();
+            steps[n - 1].push(numbers);
+        }
+    }
+    steps
+}
+
+fn position_min(vector: Vec<u32>) -> Option<usize> {
+    if vector.len() == 0 {
+        return None;
+    }
+    let mut min_index = 0;
+    let mut min = vector[0];
+    for (i, value) in vector.iter().enumerate() {
+        if *value < min {
+            min_index = i;
+            min = *value;
+        }
+    }
+    Some(min_index)
+}
+
+fn seed_to_location(seed: u32, steps: &Vec<Vec<Vec<u32>>>) -> u32 {
+    let mut current: u32 = seed;
+    println!("{:?}", current);
+    for step in steps {
+        let mut updated = false;
+        for range in step {
+            let destination = range[0];
+            let source = range[1];
+            let size = range[2];
+            if current >= source && current <= source + size {
+                if !updated {
+                    current = destination + current - source;
+                } else {
+                    println!("Already updated?");
+                }
+            }
+        }
+        println!("{:?}", current);
+    }
+    println!("\n");
+    current
+}
+
+fn main() {
+    let filepath: &str = "../../data/sample.txt";
+
+    let contents = fs::read_to_string(filepath).expect("Should have been hable to read the file");
+
+    let mut lines = contents.lines();
+    let seeds: Vec<&str> = lines
+        .next()
+        .unwrap()
+        .split(": ")
+        .nth(1)
+        .expect("Should have a seed")
+        .split(" ")
+        .collect();
+    let steps = parse_steps(lines);
+    let seeds: Vec<u32> = seeds
+        .iter()
+        .map(|string| {
+            let number: u32 = string.trim().parse().unwrap();
+            number
+        })
+        .collect();
+    let locations: Vec<u32> = seeds
+        .iter()
+        .map(|seed| seed_to_location(*seed, &steps))
+        .collect();
+    let min_location = locations.iter().min();
+    // let min_location_index = position_min(locations).unwrap();
+    println!("{:?}", min_location);
+}
diff --git a/2023/days/06/part1.py b/2023/days/06/part1.py
new file mode 100755
index 0000000..19773a3
--- /dev/null
+++ b/2023/days/06/part1.py
@@ -0,0 +1,28 @@
+with open("data/input.txt", "r") as f:
+    data = f.read()
+
+data = data.split("\n")
+times = data[0].split(":")[1].split()
+distances = data[1].split(":")[1].split()
+
+times = [int(i) for i in times]
+distances = [int(i) for i in distances]
+
+# print(times)
+# print(distances)
+
+product = 1
+
+
+def distance(pressed_duration, limit_duration):
+    return pressed_duration * (limit_duration - pressed_duration)
+
+
+for time, dist in zip(times, distances):
+    count = 0
+    for i in range(0, time + 1):
+        if distance(i, time) > dist:
+            count += 1
+    product *= count
+
+print(product)
diff --git a/2023/days/06/part2.py b/2023/days/06/part2.py
new file mode 100755
index 0000000..43cbf77
--- /dev/null
+++ b/2023/days/06/part2.py
@@ -0,0 +1,28 @@
+with open("data/sample.txt", "r") as f:
+    data = f.read()
+
+data = data.split("\n")
+times = data[0].split(":")[1].replace(" ", "").split()
+distances = data[1].split(":")[1].replace(" ", "").split()
+
+times = [int(i) for i in times]
+distances = [int(i) for i in distances]
+
+# print(times)
+# print(distances)
+
+product = 1
+
+
+def distance(pressed_duration, limit_duration):
+    return pressed_duration * (limit_duration - pressed_duration)
+
+
+for time, dist in zip(times, distances):
+    count = 0
+    for i in range(0, time + 1):
+        if distance(i, time) > dist:
+            count += 1
+    product *= count
+
+print(product)
diff --git a/2023/days/07/part1.ml b/2023/days/07/part1.ml
new file mode 100755
index 0000000..e69de29
diff --git a/2023/days/07/rust/part1/.gitignore b/2023/days/07/rust/part1/.gitignore
new file mode 100755
index 0000000..ea8c4bf
--- /dev/null
+++ b/2023/days/07/rust/part1/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/2023/days/07/rust/part1/Cargo.toml b/2023/days/07/rust/part1/Cargo.toml
new file mode 100755
index 0000000..d53465e
--- /dev/null
+++ b/2023/days/07/rust/part1/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "part1"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/2023/days/07/rust/part1/src/main.rs b/2023/days/07/rust/part1/src/main.rs
new file mode 100755
index 0000000..cd31ab8
--- /dev/null
+++ b/2023/days/07/rust/part1/src/main.rs
@@ -0,0 +1,20 @@
+use std::collections::HashMap;
+use std::fs;
+
+fn count_hashmap(card: &str) -> HashMap<char, usize> {
+    let count: HashMap<char, usize> = HashMap::new();
+    for chr in card.chars() {
+        count.entry(chr).and_modify(|c| *c + 1).or_insert(0);
+    }
+    return count;
+}
+
+fn greater_than(card1: &str, card2: &str) -> bool {}
+
+fn main() {
+    let filepath = "../../data/input.txt";
+
+    let contents = fs::read_to_string(filepath).expect("should have been to read the file");
+
+    println!("Hello, world!");
+}