CN 2023-03-17

# multiplier.py
import sys

def multiplier(pList:list):
    result = 1
    for n in pList:
        result*=float(n)
    # for
    return result
# def multiplier

if __name__=="__main__": # was I called from the CLI?
    if(len(sys.argv)>1): # check if there are args
        the_values:list = sys.argv[1:] # except the script name
        the_mult = multiplier(the_values)
        the_output =\
        f"The mult of {the_values} is {the_mult}"
        print(the_output)
    # if
    else:
        the_output = "Please provide some numbers."
        print(the_output)
    # if-else
else: # for example, it was an import
    pass

**********************************************

# test_multiplier
# from module import function_name
from multiplier import multiplier

def test01():
    TEST_VALUES = [1, 2, 3]
    EXPECTED_RESULT = 6

    bOK:bool =\
    EXPECTED_RESULT == multiplier(TEST_VALUES)

    assert (bOK)
# def test01

#test01() # DO NOT DO THIS IF USING PYTEST