ADD file via upload

luorun.py

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+stu_info = []
+def print_menu():
+    print('学生管理系统')
+    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')
+    print('7.退出系统')
+#1.添加
+def add_stu_info():
+    name = input('请输入新学生的姓名：')
+    sex = input('请输入新学生的性别：')
+    phone = input('请输入新学生的手机号码：')
+    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)
+#2.删除
+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')
+#3.修改
+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('请输入要修改学生的姓名：')
+            rev_sex = input('请输入要修改学生的性别：')
+            rev_phone = input('请输入要修改学生的手机：')
+            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')
+#4.查询
+def que_stu_info():
+    if len(stu_info) != 0:
+        que_num = int(input('请输入要查询学生的序号：')) - 1
+        if que_num >= len(stu_info):
+            print("要查询的序号有误")
+        else:
+            print('学生的信息如下：')
+            print('序号  姓名  性别  手机号码')
+            print("%s  %s  %s" % (temp_info['name'], temp_info['sex'], temp_info['phone']))
+    else:
+        print('该学生信息为空')
+#5.显示所有学员信息
+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('请输入对应的功能的数字：')
+        if key == '1':# 添加
+            add_stu_info()
+        elif key == '2':# 删除
+            del_stu_info(stu_info)
+        elif key == '3':# 修改
+            rev_stu_info()
+        elif key == '4':# 查询
+            que_stu_info()
+        elif key == '5':# 显示所有学生信息
+            show_stu_info()
+        elif key == '7':# 退出系统
+            quit_confirm = input('是否要退出系统？（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()