the description
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The sum() function returns a number, the sum of all items in an iterable.
iterable Required. The sequence to sum
Optional. A value that is added to the return value
useful links
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book:
https://www.amazon.co.uk/dp/B0BHL2XKCR
useful hashtags
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#python
#pythontutorial
#pythonprogramming
#pythonforbeginners
#pythonprojects