小编use*_*375的帖子

所以我今天做了一个非常原始而且可能效率低下的计算器（第一次使用Python），我希望能够继续做更多的问题，我该怎么做？这是我的“计算器”应用程序..

import time
print ("Welcome. This is a calculator that uses the function: A (operator) B.")
time.sleep(3.5)
print ("Available operators include: Addition, Subtraction, Multiplication, Division,        Exponent, and Remainder division.")
time.sleep(3.5)
a = float(input("Type in a value of A. "))
b = float(input("Type in a value of B. "))
operb = input("Would you like to: Add - Subtract - Multiply - Divide - Exponent - or Remainder? ")
opera = operb.lower()
if (opera) == "add":
    print ((a) + (b))
elif (opera) …