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paulofreitas/gist:7309152

Last active December 27, 2015 10:09
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gistfile1.py
#!/usr/bin/python
# Alteração in-place
with open('dados1.txt', 'r+w') as f:
lines = [' '.join(l.split() + [str(reduce(lambda x, y: x * y, map(int, l.split())))]) for l in f]
f.seek(0)
f.write('\n'.join(lines))
# Dois arquivos
open('dados2.txt', 'w').write('\n'.join(' '.join(l.split() + [str(reduce(
lambda x, y: x * y, map(int, l.split())))]) for l in open('dados1.txt')))
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