omega/Mult.py at master · lpr014/omega · GitHub

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#Multication

#multiply
def multiply(num1, num2):
    ans = num1 * num2
    return float(ans)

#power
def power(num1, num2):
    ans=1

    if num2<0:
        if num1==0:
            return("invalid input")
        for i in range(int(-num2)):
            ans = ans * num1
        return 1.0/ans

    if num2 == 0:
        return 1

    if num1==0:
        return 0

    for i in range(int(num2)):
        ans = ans * num1
    return float(ans)

#factorial
def fact(num1):
    if num1<0:
        return "invalid input"
    if num1 == 0:
        return 1

    ans = num1
    num1 = num1 - 1

    for i in range(num1):
        ans = ans * num1
        num1 = num1 - 1
    return float(ans)