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Iterables and Iterators

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936 Discussions

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  • obianujuofodu
     + 0 comments

    from itertools import combinations

    A = input() B = list(input().split(" ")) C = input()

    D = list(combinations(B, int(C)))

    count=0 for i in D: if "a" in i: count = count+1

    print(count/len(D))

  • nice00guy69
     + 0 comments
    from itertools import combinations

N = input()
S = input().split()
K = int(input())
ALL = list(combinations(S, K))
COUNT = sum(1 for UNITS in ALL if 'a' in UNITS)
print(round(COUNT/len(ALL), 4))

  • dheenupriya2001
     + 0 comments
    from itertools import combinations
n = int(input())
s = list(input().split(" "))
k = int(input())
count = 0
for tup in combinations(s,k):
    if any(elem == 'a' for elem in tup):
        count += 1
print(count / len(list(combinations(s,k))))

  • shaswathkumar
     + 0 comments
    from itertools import combinations

length = int(input())
s = input().split()
k = int(input())
count = 0
for tup in combinations(s,k):
    if any(elem == 'a' for elem in tup):
        count += 1

print(count / len(list(combinations(s,k))))

  • codeandbeyondco
     + 0 comments

    This problem directing the old version documentation of itertools. It should be updated with the new version. https://docs.python.org/3.8/library/itertools.html