Python sum() Function

Python 内置函数Python Built-in Functions


Description

sum()The method calculates the sum of a sequence.

Syntax

The following is the syntax of the sum() method:

sum(iterable[, start])

Parameters

  • iterable -- An iterable object, such as a list, tuple, or set.
  • start -- Specifies the parameter to add. If this value is not set, it defaults to 0.

Return Value

Returns the calculation result.


Examples

The following shows examples of using the sum function:

>>>sum([0,1,2]) 3 >>> sum((2, 3, 4), 1) # Calculate the sum of the tuple and then add 1 10 >>> sum([0,1,2,3,4], 2) # Calculate the sum of the list and then add 2 12

Python 内置函数Python Built-in Functions

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