Function lcm

Smart_Calculator/calculator.py:18–24

(a,b)

    return a % b

def lcm(a,b):
    if a<0 or b<0: return
    L = a if a > b else b
    while L <= a * b:
        if L%a == 0 and L%b ==0:
            return L
        L+=1

def hcf(a,b):
    if a<0 or b<0: return