Day 4

day04/part1.py

@@ -0,0 +1,24 @@
+import re
+
+lines = (list(map(lambda a: a.split(':'), x.strip().split())) for x in open("input.txt"))
+
+passport = {}
+count = 0
+must_have = {'iyr', 'hcl', 'hgt', 'pid', 'ecl', 'eyr', 'byr'}
+
+
+def check_passport(pp):
+    valid = len(set(pp).intersection(must_have)) == len(must_have)
+    if not valid:
+        return 0
+    return 1
+
+
+for line in lines:
+    if len(line) == 0:
+        count += check_passport(passport)
+        passport = {}
+    for key, val in line:
+        passport[key] = val
+count += check_passport(passport)
+print(count)