ADD file via upload

zuoye.py

@@ -0,0 +1,104 @@
+import json
+def main_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")
+    print("请输入你需要的功能序号")
+def add_student(students):
+    name = input("请输入你的姓名: ")
+    age = input("请输入你的性别: ")
+    grade = input("请输入你的电话: ")
+    student = { name,  age, grade}
+    students.append(student)
+    print("学生信息添加成功！")
+
+def delete_student(students):
+    name = input("请输入要删除的学生姓名: ")
+    for student in students:
+        if student["姓名"] == name:
+            students.remove(student)
+            print("学生信息删除成功！")
+            break
+    else:
+        print("未找到该学生信息！")
+
+def modify_student(students):
+    name = input("请输入要修改的学生姓名: ")
+    for student in students:
+        if student["姓名"] == name:
+            new_name = input("请输入学员姓名: ")
+            new_age = input("请输入学员性别: ")
+            new_grade = input("请输入学员手机号: ")
+            student["姓名"] = new_name
+            student["性别"] = new_age
+            student["手机号"] = new_grade
+            print("修改学员信息成功！")
+            break
+    else:
+        print("未找到该学生信息！")
+
+def save_students(students):
+    with open("students.json", "w") as file:
+        json.dump(students, file)
+    print("学生信息保存成功！")
+
+def load_students():
+    try:
+        with open("students.json", "r") as file:
+            students = json.load(file)
+    except FileNotFoundError:
+        students = []
+    return students
+
+def query_student(students):
+    name = input("请输入要查询的学生姓名: ")
+    for student in students:
+        if student["姓名"] == name:
+            print("学生信息如下:")
+            print("姓名:", student["姓名"])
+            print("性别:", student["性别"])
+            print("手机号:", student["手机号"])
+            break
+    else:
+        print("未找到该学生信息！")
+
+def display_students(students):
+    if not students:
+        print("暂无学生信息！")
+    else:
+        print("所有学生信息如下:")
+        for student in students:
+            print("姓名:", student["姓名"])
+            print("性别:", student["性别"])
+            print("手机号:", student["手机号"])
+
+def main():
+    students = load_students()
+
+    while True:
+        main_menu()
+        option = input("请输入你需要的功能序号: ")
+
+        if option == "1":
+            add_student(students)
+        elif option == "2":
+            delete_student(students)
+        elif option == "3":
+            modify_student(students)
+        elif option == "4":
+            save_students(students)
+        elif option == "5":
+            query_student(students)
+        elif option == "6":
+            display_students(students)
+        elif option == "0":
+            break
+        else:
+            print("无效的选项，请重新输入！")
+
+