__author_ = "北门吹雪"
__blog__ = "http://www.cnblogs.com/2bjiujiu/"
__email__ = "422083556@qq.com"def check_type(value):"""使用isinstance判断变量单个类型"""# 判断变量单个类型，如果是则返回其类型对应的字符if isinstance(value, int):return "int"elif isinstance(value, float):return "float"elif isinstance(value, bool):return "bool"elif isinstance(value, str):return "str"elif isinstance(value, list):return "list"elif isinstance(value, tuple):return "tuple"elif isinstance(value, set):return "set"elif isinstance(value, dict):return "dict"# 如果都不是则返回不知道else:return "Unknow Type of {value}".format(value=value)def check_object(value):"""使用instance同时判断多个类型"""# 判断变量是否是数字类型if isinstance(value, (int, float, bool)):return "number"# 判断变量是否有序序列elif isinstance(value, (str, list, tuple)):return "Ordered sequence"# 判断变量是否是无序序列elif isinstance(value, (set, dict)):return "Disordered sequence"else:return "Unknow Object of {value}".format(value=value)def use_type(value):"""type只能判断变量单个类型，也可以通过 or来进行折中解决"""if type(value) == int:return "int"elif type(value) == float:return "float"else:return "Unknow Type of {value}".format(value=value)if __name__ == '__main__':print(check_type(10))print(check_type("10"))print(check_object((1, 3, 5)))print(check_object({2, 5, 6}))print(use_type(10))print(use_type((1, 3)))

class Person(object):def __init__(self, skin, language):self.skin = skinself.language = languageclass Student(Person):def __init__(self,skin, language, name, sex, age, phone_number):# 继承使用父类的析构字段super(Student, self).__init__(skin=skin, language=language)self.name = nameself.sex = sexself.age = ageself.phone_number = phone_numberif __name__ == '__main__':beimenchuixue = Student("yellow", "zh-hans", "xiaoMing", "male", 18, "15570911036")# 判断实例xia_ming是否继承于 Persionprint(isinstance(beimenchuixue, Person))print(beimenchuixue.skin)

class Class(object):def __init__(self, student_names):self.student_names = student_namesdef __getitem__(self, item):return self.student_names[item]python_class = Class(["QiNiuYun", "BeiMenChuiXue", "AliYun", "BaiDu"])print(type(python_class))
print(type(int))
print(type(object))
print(type(type))