Python 函数简单易理解版

 //路径
1. create person
2. list all persons
3. query person
4. delete person
5. quit
Enter a number(1-5): 

{
    "name": "张三",
    "address": "南京",
    "phone": "12306"
}

zhangSan = {'name': '张三', 'address': '南京', 'phone': '12306'}
liSi = {'name': '李四', 'address': '北京', 'phone': '10086'}
persons = [zhangSan, liSi]

# 通讯录
persons = []


# 添加联系人
def create_person():
    pass


# 列出联系人
def list_person():
    pass


# 查出联系人
def query_person():
    pass


# 删除联系人
def delete_person():
    pass


# 主函数
def main():
    pass


main()

# 主函数
def main():
    while True:
        # 获取用户输入
        input_str = input("1. create person\n"
                          "2. list all persons\n"
                          "3. query person\n"
                          "4. delete person\n"
                          "5. quit\n"
                          "Enter a number(1-5): "
                          )

        if input_str == "1":
            create_person()
        elif input_str == "2":
            list_person()
        elif input_str == "3":
            query_person()
        elif input_str == "4":
            delete_person()
        elif input_str == "5":
            break
        else:
            print("无效选择")
 

# 添加联系人
def create_person():
    name = input("请输入姓名:")
    address = input("请输入地址:")
    phone = input("请输入手机:")

    if name and address and phone:
        person = {
            "name": name,
            "address": address,
            "phone": phone
        }
        persons.append(person)
 

# 列出联系人
def list_person():
    for person in persons:
        print(person)
 

# 查出联系人
def query_person():
    name = input("请输入需要查找的姓名:")
    for person in persons:
        if name == person["name"]:
            print(person)

# 删除联系人
def delete_person():
    name = input("请输入需要查找的姓名:")
    for person in persons:
        if name == person["name"]:
            persons.remove(person)

1. create person
2. list all persons
3. query person
4. delete person
5. quit
Enter a number(1-5): 1
请输入姓名:poloyy
请输入地址:广州荔湾区
请输入手机:13501111111

1. create person
2. list all persons
3. query person
4. delete person
5. quit
Enter a number(1-5): 2
{'name': 'poloyy', 'address': '广州荔湾区', 'phone': '13501111111'}

1. create person
2. list all persons
3. query person
4. delete person
5. quit
Enter a number(1-5): 3
请输入需要查找的姓名:poloyy
{'name': 'poloyy', 'address': '广州荔湾区', 'phone': '13501111111'}

1. create person
2. list all persons
3. query person
4. delete person
5. quit
Enter a number(1-5): 4
请输入需要查找的姓名:poloyy

1. create person
2. list all persons
3. query person
4. delete person
5. quit
Enter a number(1-5): 2

1. create person
2. list all persons
3. query person
4. delete person
5. quit
Enter a number(1-5): 5

Process finished with exit code 0