2015-01-06 21:55:53 -05:00

29 lines
503 B
Python
Executable File

#!/usr/bin/env python
__author__ = "bt3"
''' Example of how to use a bit array in python as a "counter" dict'''
def print_dupl_ba(l1):
'''
>>> l1 = [0, 1, 2, 3, 4, 2, 6, 7, 8, 9]
>>> print_dupl_ba(l1)
2
'''
bs = bytearray(10)
for i in range(len(l1)):
if i == l1[i]:
bs[i] = 1
for index, bit in enumerate(bs):
if bit == 0:
return l1[index]
return None
if __name__ == '__main__':
import doctest
doctest.testmod()