Question

6.21 LAB: Permutation and Combination Write two functions called permutation0 and combination0, where permutation0 computes and returns n! n -r)! whereas combination0 returns A third function called par_input0 gets the input values for n and r. An example of correct program behavior follows: nput: 32 Output: The permutation is 6, and the combination is 3. LAB ACTIVITY 6.21.1: LAB: Permutation and Combination 0/3 main.py Load default template... 1 Add your code here."

Answer 1

def factorial(n1):
    result = 1
    for x in range(2,n1+1):
        result *= x
    return result

def permutation(n,r):
    return int(factorial(n)/factorial(n-r))

def combination(n,r):
    return int(factorial(n)/(factorial(n-r)*factorial(r)))

def main():
    s = input().split(" ")
    n = int(s[0])
    r = int(s[1])
    print("The permutation is "+str(permutation(n,r))+", and the combination is "+str(combination(n,r))+".")

main()

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