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Python学生管理系统.py

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+class_info = []
+
+def print_menu():
+    print("-------------------")
+    print("学生管理系统 V1.0")
+    print(" 1:添加学生")
+    print(" 2:删除学生")
+    print(" 3:修改学生")
+    print(" 4:查询学生")
+    print(" 5:显示所有学生")
+    print(" 6:退出系统")
+    print("-------------------")
+
+
+def add_student():
+    print("欢迎使用添加学生的功能")
+    global class_info
+    name = input("输入学生的姓名:")
+    age = input("输入学生的年龄:")
+    score = input("输入学生的分数:")
+    # [{},{}]
+    for info in class_info:
+        if info["name"] == name:
+            print("学生姓名重名了")
+            return
+
+    student = {
+        "name": name,
+        "age": age,
+        "score": score
+    }
+
+    class_info.append(student)
+    print("添加学生信息成功")
+    print(class_info)
+
+
+def del_student():
+    print("欢迎使用删除学生的功能")
+    global class_info
+    name = input("请输入删除的学生姓名:")
+    for student in class_info:
+        if student["name"] == name:
+            class_info.remove(student)
+            print("删除学生信息成功")
+            return
+    print("您输入的学生姓名不存在")
+
+
+def modify_student():
+    global class_info
+    name = input("请输入需要修改的学生信息:")
+    for student in class_info:
+        if student["name"] == name:
+            student["name"] = input("请输入修改后的学生姓名:")
+            # jx = input("是否继续修改:")
+            # if jx == "y" or jx == "yes":
+            student["age"] = input("请输入修改后的学生年龄:")
+            student["score"] = input("请输入修改后的学生分数:")
+            print("修改学生信息成功")
+            return
+    print("您输入的学生信息不存在")
+
+
+def search_student():
+    global class_info
+    name = input("请输入要查找的学生姓名:")
+    for student in class_info:
+        if student["name"] == name:
+            print("姓名:%s, 年龄:%s, 分数:%s" %(student["name"], student["age"], student["score"]))
+            return
+    print("您输入的学生信息不存在")
+
+
+def show_student():
+    print("姓名--年龄---成绩")
+    for student in class_info:
+        print(student["name"], student["age"], student["score"])
+
+
+def main():
+    """实现主要的业务逻辑"""
+    while True:
+        # print_menu()
+        print_menu()
+        choose = int(input("请输入您需要的功能:"))
+
+        if choose == 1:
+            add_student()
+        elif choose == 2:
+            del_student()
+        elif choose == 3:
+            modify_student()
+        elif choose == 4:
+            search_student()
+        elif choose == 5:
+            show_student()
+        elif choose == 6:
+            print("退出系统 Bye")
+            break
+
+
+if __name__ == '__main__':
+    main()
+
+
+
+