Python slice() Function

Python 内置函数Python Built-in Functions


Description

slice()The function implements a slice object, mainly used for parameter passing in slice operation functions.

Syntax

slice syntax:

class slice(stop)
class slice(start, stop[, step])

Parameter description:

  • start -- start position
  • stop -- end position
  • step -- interval

Return Value

Returns a slice object.

Examples

The following examples demonstrate how to use slice:

>>>myslice = slice(5) # Set a slice to extract 5 elements >>> myslice slice(None, 5, None) >>> arr = range(10) >>> arr [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> arr[myslice] # Extract 5 elements [0, 1, 2, 3, 4] >>>

Python 内置函数Python Built-in Functions

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