probability.py

gistfile1.txt

from copy   import copy
from random import shuffle

d = [ 0, 1, 2, 3, 4 ] 

T = 0
F = 0

for i in range(0, 10000):
    k = copy(d)
    shuffle(k)
    
    for q in range(0, 5):
        if 0 == len(set(k[q:]) - set(d[q:])):
            T += 1
        else:
            F += 1

print(T / float(T + F))
print(F / float(T + F))