44 lines
742 B
Python
44 lines
742 B
Python
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#!/usr/bin/python
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import re
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def read_file(filename):
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file = open(filename, 'r')
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while True:
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line = file.readline()
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if not line:
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break
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yield line
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def count_twice(line):
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regexp = re.compile(r"(..).*\1")
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match = re.search(regexp, line)
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if match:
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return True
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return False
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def count_repeat(line):
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regexp = re.compile(r"(.).\1")
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match = re.search(regexp, line)
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if match:
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return True
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return False
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def main():
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nice = 0
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for line in read_file('input'):
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if not count_twice(line):
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continue
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if not count_repeat(line):
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continue
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nice = nice + 1
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print nice
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if __name__ == "__main__":
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main()
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