nPr python
import math
def fact(n):
if (n <= 1):
return 1
return n * fact(n - 1)
def nPr(n, r):
return math.floor(fact(n)/fact(n - r))
print(nPr(4,2))nPr python
import math
def fact(n):
if (n <= 1):
return 1
return n * fact(n - 1)
def nPr(n, r):
return math.floor(fact(n)/fact(n - r))
print(nPr(4,2))Copyright © 2021 Codeinu
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