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dydcvs.JakubKorytko

Python Simple Calculator

  • Handle missing arg; use args variable in function definitions.
  • validate 1st arg is a string sign.
  • validate args has 3 arg.
Code
Diff
  • def v_sign(s):
    return s in '+-*/'

def v_args(a):
    return len(a) == 3


def Calculator(*args):
    
    if not (v_sign(str(args[0])) and v_args(args)):
        return 0
    
    sign, n1, n2 = args
    
    match(sign):
        case "+":
            return n1+n2
        case "-":
            return n1-n2
        case "*":
            return n1*n2
        case "/":
            if n2==0:
                return 0
            return n1/n2
        case _:
            return 0
    • def Calculator(sign: str, n1: int, n2: int):
    • def v_sign(s):
    • return s in '+-*/'
    • def v_args(a):
    • return len(a) == 3
    • def Calculator(*args):
    • if not (v_sign(str(args[0])) and v_args(args)):
    • return 0
    • sign, n1, n2 = args
    • match(sign):
    • case "+":
    • return n1+n2
    • case "-":
    • return n1-n2
    • case "*":
    • return n1*n2
    • case "/":
    • if n2==0:
    • return 0
    • return n1/n2
    • case _:
    • return 0