Solve 2020/02

2020/02/solution1.py

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+"""
+Solution to 2020/01
+"""
+
+COUNT = 0
+with open('input', 'r') as file:
+    for line in file.readlines():
+        rule, char, password = line.strip().split()
+        char = char[0]
+        min_occurence, max_occurence = rule.split('-')
+        min_occurence = int(min_occurence)
+        max_occurence = int(max_occurence)
+
+        is_valid = min_occurence <= password.count(char) <= max_occurence
+
+        if is_valid:
+            COUNT += 1
+
+print(COUNT)

2020/02/solution2.py

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+"""
+Solution to 2020/01
+"""
+
+COUNT = 0
+with open('input', 'r') as file:
+    for line in file.readlines():
+        rule, char, password = line.strip().split()
+        char = char[0]
+        pos_1, pos_2 = rule.split('-')
+        pos_1 = int(pos_1) - 1
+        pos_2 = int(pos_2) - 1
+
+        is_valid = (password[pos_1] == char) ^ (password[pos_2] == char)
+
+        if is_valid:
+            COUNT += 1
+
+print(COUNT)