英文文档: range(stop) range(start, stop[, step]) Rather than being a function, range is actually an immutable sequence type, as documented in Ranges and Sequence Types - list, tuple, range. 根据传入的参数创建一个新的 range 对象 说明: 1. range函数用于生成一个range对象,range类型是一个表示整…
英文文档: range(stop) range(start, stop[, step]) Rather than being a function, range is actually an immutable sequence type, as documented in Ranges and Sequence Types — list, tuple, range. 说明: 1. range函数用于生成一个range对象,range类型是一个表示整数范围的类型. 2. 可以直接传入一个结束整数…
英文文档: hasattr(object, name) The arguments are an object and a string. The result is True if the string is the name of one of the object’s attributes, False if not. (This is implemented by calling getattr(object, name) and seeing whether it raises an…
使用Python内置函数:bin().oct().int().hex()可实现进制转换. 先看Python官方文档中对这几个内置函数的描述: bin(x)Convert an integer number to a binary string. The result is a valid Python expression. If x is not a Python int object, it has to define an __index__() method that returns a…