21 lines
436 B
Python
Executable File
21 lines
436 B
Python
Executable File
#!/bin/python
|
|
|
|
ALL_ANSWERS = set([i for i in "abcdefghijklmnopqrstuvwxyz"])
|
|
|
|
with open("input", "r") as input:
|
|
sum = 0
|
|
answers = set(ALL_ANSWERS)
|
|
for line in input:
|
|
line = line.strip()
|
|
if line == "":
|
|
sum += len(answers)
|
|
answers = set(ALL_ANSWERS)
|
|
continue
|
|
|
|
answers = answers.intersection(set([char for char in line]))
|
|
|
|
|
|
sum += len(answers)
|
|
print(sum)
|
|
|