ADD file via upload

lian2.py

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+#创建列表
+stu_info = []
+#打印功能菜单
+def print_menu():
+    print("请选择如下功能：")
+    print("1：添加学员：")
+    print("2：删除学员：")
+    print("3：修改学员信息：")
+    print("4：查询学员信息：")
+    print("5：显示所有学员信息：")
+    print("6：保存学员信息：")
+
+#添加学生信息（1）
+def add_stu_info():
+    name = str(input("请输入您的姓名："))
+    sex = str(input("请输入您的性别："))
+    phone = int(input("请输入您的电话："))
+    new_info = dict()  # 定义一个字典
+    new_info['name'] = name
+    new_info['sex'] = sex
+    new_info['phone'] = phone
+    stu_info.append(new_info)
+
+#删除学生信息（2）
+def del_stu_info(student):
+    if len(student) != 0:
+        del_num = int(input('请输入要删除的序号：')) - 1
+        if del_num < len(stu_info):
+            del student[del_num]
+            print(f'删除指定序号：{del_num+1}成功')
+        else:
+            print('要删除的序号有误')
+    else:
+        print('学生信息表为空')
+
+#修改学员信息（3）
+def rev_stu_info():
+    if len(stu_info) != 0:
+        rev_num = int(input('请输入要修改学生的序号：')) - 1
+        if rev_num >= len(stu_info):
+            print("要修改的序号有误")
+        else:
+            rev_name = input('请输入学员姓名：')
+            rev_sex = input('请输入学员性别：')
+            rev_phone = input('请输入学员手机号：')
+            print("修改该学员信息成功。姓名：{}，性别：{}，手机号：{}".format(rev_name,rev_sex,rev_phone))
+            stu_info[rev_num]['name'] = rev_name
+            stu_info[rev_num]['sex'] = rev_sex
+            stu_info[rev_num]['phone'] = rev_phone
+    else:
+        print('学生信息表为空')
+
+#查询单个学员信息（4）
+def cha_stu_info(stu_info):
+    if len(stu_info) != 0:
+        del_num = int(input('请输入要查询的学员序号：'))
+        if del_num <= len(stu_info):
+            print('序号  姓名  性别  手机号码')
+        for temp_info in stu_info:
+            print("%d  %s  %s  %s" %(del_num,temp_info['name'],temp_info['sex'],temp_info['phone']))
+            print(f'查询指定学员序号：{del_num}成功')
+        else:
+            print('要查询的序号有误')
+    else:
+        print('学生信息表为空')
+#查找全部学生信息（5）
+def show_stu_info():
+    if len(stu_info) != 0:
+        print('学生的信息如下：')
+        print('=' * 30)
+        print('序号  姓名  性别  手机号码')
+        i = 1
+        for temp_info in stu_info:
+            print("%d  %s  %s  %s" %(i,temp_info['name'],temp_info['sex'],temp_info['phone']))
+            i += 1
+    else:
+        print('学生信息表为空')
+
+
+def main():
+    while True:
+        print_menu()
+        key = input("请输入您需要的功能序号：")
+        if key == "1":
+            add_stu_info()
+        elif key == "2":
+            del_stu_info(stu_info)
+        elif key == "3":
+            rev_stu_info()
+        elif key == "4":
+            cha_stu_info(stu_info)
+        elif key == "5":
+            show_stu_info()
+        elif key == "6":
+            show_stu_info()
+        elif key == '7':
+            quit_confirm = input('真的要退出么？（Yes/No）：')
+            if quit_confirm == 'Yes' or quit_confirm == 'yes' or quit_confirm == 'YES':
+                break
+            elif quit_confirm == 'No' or quit_confirm == 'no' or quit_confirm == 'NO':
+                continue
+            else:
+                print('输入有误，请重新输入')
+        else:
+            print('输入有误，请重新输入')
+if __name__ == '__main__':
+    main()
+
+
+