The difference between range function python2 and 3

The range function is a general function used to create arithmetic series sequences, returning an integer sequence of [start, start step, start 2 * step, ...] structure;

Range() function usage in py2:(Recommended learning:Python video tutorial)

range() return is a list

>>> list=range(10) >>> print list [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

The range() function usage in py3:

range() function returns an iterable object ( The type is object), not a list type, so the list will not be printed when printing.

list() function is an object iterator, converting the object into a list. The returned variable type is a list.

>>> range(10) range(0, 10) >>> type(range(10))  >>> list(range(10)) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> type(list(range(10))) 

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