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大家好，我是文件的py小助手，这期带大家建造一个竖式生成器

第一步：

建造基础代码：

import time

第二步：

写入欢迎语：

import time

print("Welcome to the vertical generator, where you can generate a vertical form of addition, subtraction, multiplication and division, the current version number: 0.012")

time.sleep(0.5

 

第三步：

写入判断等

import time

print("Welcome to the vertical generator, where you can generate a vertical form of addition, subtraction, multiplication and division, the current version number: 0.012")

time.sleep(0.5)

print()
a = input("请选择运算符号：\n+\n-")

if a == "+":

elif b == "-":
    

第四步：

加入个位十位的变量

import time

print("Welcome to the vertical generator, where you can generate a vertical form of addition, subtraction, multiplication and division, the current version number: 0.012")

time.sleep(0.5)

print()
a = input("请选择运算符号：\n+\n-")

if a == "+":
a = input("请输入：")
b = input("请输入：")
elif b == "-":
    

接下来等会在讲