Add 2022 day 03

2022/day03.py

@@ -0,0 +1,59 @@
+#!/usr/bin/python3
+"""
+Jour 03 du défi Advent Of Code pour l'année 2022
+"""
+
+def read_sample():
+    """récupère les entrées depuis le fichier texte correspondant"""
+    with open('inputs/day03.txt', 'r') as f:
+        sample = f.read().split('\n')
+    sample = [ i for i in sample if i != '' ]
+    return sample
+
+def split(text):
+    half = len(text)/2
+    return text[:int(half)], text[int(half):]
+
+def commun(tup):
+    p1, p2 = tup
+    for i in p1:
+        if i in p2:
+            return i
+    raise Exception("Pas de lettre en commun")
+
+def priority(letter):
+    if ord(letter) <= 90:
+        return ord(letter)-65+27
+    return ord(letter)-97+1
+
+def part1(sample):
+    """Partie 1 du défi"""
+    return sum(priority(commun(split(i))) for i in sample)
+
+
+def count(item, iterable):
+    nb = 0
+    for i in iterable:
+        if i == item:
+            nb += 1
+    return nb
+
+def part2(sample):
+    """Partie 2 du défi"""
+    somme = 0
+    for i in range(0, len(sample), 3):
+        comm = list(sample[i])
+        for j in comm:
+            if j in sample[i+1] and j in sample[i+2]:
+                break
+        somme += priority(j)
+    return somme
+
+def main():
+    """Fonction principale"""
+    sample = read_sample()
+    print(f"part1: {part1(sample)}")
+    print(f"part2: {part2(sample)}")
+
+if __name__ == "__main__":
+    main()