2017: Make room for two-digit day numbers

2017/day4.py

@@ -1,40 +0,0 @@
-with open('input/day4') as f:
-    puzzle_input = f.read().splitlines()
-
-def is_valid(passphrase):
-    words = passphrase.split()
-    return len(words) == len(set(words))
-
-def validity_count(passphrases):
-    return len({p for p in passphrases if is_valid(p)})
-
-class Counter:
-    def __init__(self, iterable):
-        self._counts = {}
-        for i in iterable:
-            self._counts[i] = self._counts.get(i, 0) + 1
-
-    def __eq__(self, other):
-        if self._counts.keys() != other._counts.keys():
-            return False
-        for k in self._counts.keys():
-            if self._counts[k] != other._counts[k]:
-                return False
-        return True
-
-def are_anagrams(w1, w2):
-    return Counter(w1) == Counter(w2)
-
-def pairs(l):
-    for i, e1 in enumerate(l):
-        for e2 in l[i+1:]:
-            yield (e1, e2)
-
-def is_valid2(passphrase):
-    return all(not are_anagrams(w1, w2) for w1, w2 in pairs(passphrase.split()))
-
-def validity_count2(passphrases):
-    return len({p for p in passphrases if is_valid2(p)})
-
-print(validity_count(puzzle_input))
-print(validity_count2(puzzle_input))