Python python对象 range """range(stop) -> range object range(start, stop[, step]) -> range object Return an object that produces a sequence of integers from start (inclusive) to stop (exclusive) by step. range(i, j) produces i, i+1, i+2, ..., j-1. start defaults to 0, and...
range(stop) -> range object range(start, stop[, step]) -> range object Return an object that produces a sequence of integers from start (inclusive) to stop (exclusive) by step. range(i, j) produces i, i+1, i+2, ..., j-1. start defaults to 0, and stop is omitted! range(4...
stop[,step]) -> range object Return an object that produces a sequence of integers from start...
函数range()从你指定的数字1开始,并在你指定的第二个数字5结束,因此我们的输出就不包含数字5. 下面是python关于range函数的帮助文档: class range(Sequence[int]) Return an object that produces a sequence of integers from start (inclusive) to stop (exclusive) by step. range(i, j) produces i, i+1...
class range(object): """ range(stop) -> range object range(start, stop[, step]) -> range object Return an object that produces a sequence of integers from start (inclusive) to stop (exclusive) by step. range(i, j) produces i, i+1, i+2, ..., j-1. start ...
5. >>> dict([('xy'[i-1], i) for i in range(1,3)]) 6. {'y': 2, 'x': 1} 1. 2. 3. 4. 5. 6. 7. 如果输入参数是(另)一个映射对象,比如一个字典对象,对其调用dict()会从存在的字典里复制内容来生成新的字典。新生成的字典是原来字典对象的浅复制版本,它与用字典的内建方法copy...
classrange(object):"""range(stop)->range objectrange(start,stop[,step])->range object Return an object that produces a sequenceofintegers fromstart(inclusive)tostop(exclusive)by step.range(i,j)produces i,i+1,i+2,...,j-1.start defaults to0,and stop is omitted!range(4)produces0,1,2...
range(start, stop[, step]) -> range objectReturn an object that produces a sequence of integers from start (inclusive) to stop (exclusive) by step. range(i, j) produces i, i+1, i+2, ..., j-1. start defaults to 0, and stop is omitted! range(4) produces 0, 1, 2, 3. ...
are those in the range* -_PY_NSMALLNEGINTS (inclusive) to _PY_NSMALLPOSINTS (exclusive).*...
Init signature: range(self, /, *args, **kwargs) Docstring: range(stop) -> range object range(start, stop[, step]) -> range object Return an object that produces a sequence of integers from start (inclusive) to stop (exclusive) by step. range(i, j) produces i, i+1, i+2, .....