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#!/usr/bin/env python3
import aoc20
import sys
def pt1(_in):
res = 0
questions = {s for s in "abcdefghijklmnopqrstuvwxyz"}
for line in _in:
if line == "\n":
res += 26 - len(questions)
questions = {s for s in "abcdefghijklmnopqrstuvwxyz"}
continue
for ans in line:
if ans in questions:
questions.remove(ans)
res += 26 - len(questions)
return res
def pt2(_in):
res = 0
questions = {s for s in "abcdefghijklmnopqrstuvwxyz"}
for line in _in:
person = set()
if line == "\n":
res += len(questions)
questions = {s for s in "abcdefghijklmnopqrstuvwxyz"}
continue
for ans in line:
person.add(ans)
for q in questions.copy():
if q not in person:
questions.remove(q)
res += len(questions)
return res
if __name__ == "__main__":
input = aoc20.read_input(sys.argv[1:], 6)
print(pt1(input))
print(pt2(input))
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