ADD file via upload

main.py

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+student_list=[]
+
+def show_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：")
+    print("7.退出系统：")
+
+
+def add_student():
+    name=input("请输入您的姓名：")
+    sex=input("请输入您的性别：")
+    numbers=input("请输入您的电话：")
+    student_dict=dict()
+    student_dict["name"]=name
+    student_dict["sex"]=sex
+    student_dict["numbers"]=numbers
+    student_list.append(student_dict)
+    print(student_list)
+
+def show_all_student():
+    for index,student_dict in enumerate(student_list):
+        student_id=index+1
+        print("姓名:{},性别:{},电话:{}".format(student_dict["name"],student_dict["sex"],student_dict["numbers"]))
+
+def modify_student():
+    student_id = eval(input("请输入您要修改的学生学号:"))
+    student_no = student_id - 1
+    if 0 <= student_no < len(student_list):
+        current = student_list[student_no]
+        new_name = input("请输入修改后的姓名:")
+        new_sex = input("请输入修改后的性别:")
+        new_numbers= input("请输入修改后的电话:")
+        current["name"] = new_name
+        current["sex"] = new_sex
+        current["numbers"] = new_numbers
+        print("修改成功!")
+    else:
+        print("请输入合法的学号!")
+
+def remove_student():
+    student_id = eval(input("请输入要删除的学生学号:"))
+    student_no = student_id - 1
+    if 0 <= student_no < len(student_list):
+        current = student_list.pop(student_no)
+        print("删除的数据", current)
+    else:
+        print("请输入合法的学号!")
+
+
+def query_student():
+    name = input("请输入要查询的姓名:")
+    for index, student_dict in enumerate(student_list):
+        if name == student_dict["name"]:
+            student_id = index + 1
+            print("姓名:{},性别:{},电话:{}".format( student_dict["name"],
+                                                   student_dict["sex"],student_dict["numbers"]))
+            break
+        else:
+            print("对不起，你查找的用户不存在")
+
+
+def start():
+    while True:
+        show_menu()
+        menu_option = input("请输入您需要的功能序号：")
+        if menu_option == "1":
+            print("添加学员")
+            add_student()
+        elif menu_option == "2":
+            print("删除学员")
+            remove_student()
+        elif menu_option == "3":
+            print("修改学员信息")
+            modify_student()
+        elif menu_option == "4":
+            print("查询学员信息")
+            query_student()
+        elif menu_option == "5":
+            print("显示所有学员信息")
+            show_all_student()
+        elif menu_option == "6":
+            print("退出")
+            break
+        else:
+            print("输入格式错误")
+            break
+start()