callable() __import__() 参考:https://docs.python.org/3.5/library/functions.html print(abs(-1)) # 绝对值 1print(divmod(5, 2)) # 取商和余数 (2, 1)# 四舍五入print(round(1.4)) # 1print(round(1.5)) # 2print(round(1.6)) # 2# 次
print(bool(([], []))) # True'''#class bytearray([source[, encoding[, errors]]]) 返回byte数组,bytearray是可以被修改的 范围[0,256]#Return a new array of bytes. The bytearray class is a mutable sequence of integers in the range 0 <= x < 256.#It has most of the usual methods...
今天写几行代码解决工作问题,程序运行报报'builtin_function_or_method' object is not subscriptable 错误, 将代码简写如下 litterPigs =[]forboarinrange(0,6): pig=[1,2,3,5]print(pig)try: litterPigs.append[pig]exceptBaseException as e:print(e) 运行结果为: 差了半天原因,最后发现是括号写错了,l...
len()Returns the length of an object list()Returns a list locals()Returns an updated dictionary of the current local symbol table map()Returns the specified iterator with the specified function applied to each item max()Returns the largest item in an iterable ...
之前在学习和使用时，本来for in 循环体和enumerate函数用的飞起，觉得自己已经彻底了解了Python的迭代...
Using the latest Python version for App Service apps is recommended in order to take advantage of security fixes, if any, and/or new functionalities of the latest version. This policy only applies to Linux apps. This policy requires you to specify a Python version that meets your requirements...
第一个参数 function 以参数序列中的每一个元素调用 function 函数,返回包含每次 function 函数返回值的新列表。 语法 map(function, iterable, ...) 参数: function:函数 iterable:可迭代的 返回值: Python 2.x 返回列表。 Python 3.x 返回迭代器。 示例 iter1 = map(lambda x: x * 2, [1, 2, 3...
Python编程:Built-in Functions内建函数小结 Built-in Functions(68个) 1、数学方法 abs() sum() pow() min() max() divmod() round() 2、进制转换 bin() oct() hex() 3、简单数据类型 - 整数:int() - 浮点数:float() - 字符\字符串:str() repr() ascii() ord() chr() format()...
We pass the created list of boolean values to the any function. $ ./users_age.py There are users older than 40 There is at least one user older than forty. Python allThe all builtin function returns True if all elements of the iterable are true (or if the iterable is empty). ...
- 列表:list() slice() range() - 元组:tuple() - 字典:dict() hash() - 集合:set() frozenset() - 方法:len() zip() all() any() iter() filter() next() sorted() reversed() enumerate() map() memoryview() 5、面向对象 setattr() getattr() delattr() hasattr() ...