mathdatech/Python
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/Python.git synced 2024-10-06 05:39:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

Create Fischer-Yates_Shuffle.py

Browse Source 
The Fisher–Yates shuffle is an algorithm for generating a random permutation of a finite sequence.
For more details visit
wikipedia/Fischer-Yates-Shuffle
This commit is contained in:
Syed Haseeb Shah 2018-05-19 16:07:24 +05:00 committed by GitHub
parent f51020780c
commit 09088cd835
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
other/Fischer-Yates_Shuffle.py Normal file
View File

@ -0,0 +1,20 @@
'''
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))