输入某些输入后，我可以忽略某些代码吗？

编程问答 2022-08-13

问题描述

我正在python上构建一个基本的计算器，以了解编程的基础知识和其他知识。基本上我的问题是，当我用计算器对一个数字进行平方运算时，它仍然会询问我的第二个数字，尽管它会吐出正确的答案，但我仍然希望它在使用平方函数时不询问我的第二个数字。 / p> 

name = input("Enter your name: ")
lastname = input("Enter your last name: ")
print("Welome " + name + " " + lastname + "!")
num1 = float(input("Enter a number to calculate: "))
Component = input("*,/,+,-...?????: ")
num2 = float(input("Enter your last number...: "))
if Component == "*":
    print(num1 * num2)
if Component == "+":
    print(num1 + num2)
if Component == "/":
    print(num1 / num2)
if Component == "-":
    print(num1 - num2)
if Component == "sqr":
    print(num1 ** 2)

解决方法

请尝试使用此num2 = float(input("Enter your last number...: ")) if Component.strip() != "sqr" else 0。

完整代码在这里：

name = input("Enter your name: ")
lastname = input("Enter your last name: ")
print("Welome " + name + " " + lastname + "!")
num1 = float(input("Enter a number to calculate: "))
Component = input("*,/,+,-...?????: ")
num2 = float(input("Enter your last number...: ")) if Component.strip() != "sqr" else 0
if Component == "*":
    print(num1 * num2)
if Component == "+":
    print(num1 + num2)
if Component == "/":
    print(num1 / num2)
if Component == "-":
    print(num1 - num2)
if Component == "sqr":
    print(num1 ** 2)
if-statementinputinputmathpythonuser-input