mirror of
https://github.com/TheAlgorithms/Python.git
synced 2024-12-18 01:00:15 +00:00
23 lines
658 B
Python
23 lines
658 B
Python
#!/usr/bin/python
|
||
# encoding=utf8
|
||
"""
|
||
The Fisher–Yates shuffle is an algorithm for generating a random permutation of a finite sequence.
|
||
For more details visit
|
||
wikipedia/Fischer-Yates-Shuffle.
|
||
"""
|
||
import random
|
||
|
||
def FYshuffle(LIST):
|
||
for i in range(len(LIST)):
|
||
a = random.randint(0, len(LIST)-1)
|
||
b = random.randint(0, len(LIST)-1)
|
||
LIST[a], LIST[b] = LIST[b], LIST[a]
|
||
return LIST
|
||
|
||
if __name__ == '__main__':
|
||
integers = [0,1,2,3,4,5,6,7]
|
||
strings = ['python', 'says', 'hello', '!']
|
||
print ('Fisher-Yates Shuffle:')
|
||
print ('List',integers, strings)
|
||
print ('FY Shuffle',FYshuffle(integers), FYshuffle(strings))
|