sum

Function

Return the numeric sum of an iterable, optionally starting from start. A generator expression can omit its own parentheses only when it is the sole argument of a function or method call; extra arguments or a trailing comma require parentheses around the generator.

Syntax

sum(iterable, /, start=0)

Parameters

Name	Description
`iterablelist \| tuple \| set \| generator`	Iterable containing numeric values. Required · Positional only No default
`startNumber`	Initial value added before iterable items. Optional · Positional or named Default: `0`

Returns

Number — Total numeric value.

Example

# Sum generated values
values = [1, 2, 3]
total = sum(value * 2 for value in values)
with_start = sum((value * 2 for value in values), start=10)
text(str(total))
text(str(with_start))