20192417 Experiment 2 "Python Programming" Experiment Report

20192417 2019-2020-2 "Python Programming" Experiment 2 Report

Course: "Python Programming" Class: 1924 Name: Zhang Jiahua Student ID: 20192417 Experiment Teacher: Wang Zhiqiang Experiment Date: April 11, 2020 Required / Elective: Public Elective

1. Experimental content

• Design and complete a complete application program, complete operations such as addition, subtraction, multiplication and division, and more functions.
• Examine the knowledge points of basic grammar, judgment statements, loop statements, logical operations, etc.

2. Experimental process and results

while True:
    x = int(input("输入数字以选择计算器功能，1为加，2为减，3为乘，4为除，5为模运算，6为退出计算器："))
    if x==6:
        print("已退出计算器")
        break
    a=int(input("请输入第一个数字："))
    b=int(input("请输入第二个数字："))
    if x==1:
        print("计算结果为：",a+b)
    if x==2:
        print("计算结果为：",a-b)
    if x==3:
        print("计算结果为：",a*b)
    if x==4:
        print("计算结果为：",a/b)
    if x==5:
        print("计算结果为：",a%b)

3. The problems encountered during the experiment and the resolution process

• Question 1: It is found that the calculation result cannot be obtained
• Problem 1 solution: Forgot to convert characters to integers when setting input, just use int () conversion
• Question 2: After entering 6, it still prompts "Please enter the first number:"
• Solution to Problem 2: Put the judgment sentence x == 6 before the second and third input

Others (sentiment, thinking, etc.)

Using decision sentences and looping sentences, you can achieve flow control and write many simple and practical small programs