my_dict = {"name": "Alice", "age": 25}

# try:
#     print(my_dict["abc"])
# except KeyError:
#     print("错误，访问的键不存在")
try:
    print(my_dict["abc"])
except Exception as e:
    print(type(e))  # 打印异常的类型
    print(str(e))  # 打印异常的错误信息