Python timedelta class

Python timedelta class

The timedelta is the class in datetime module that represents duration. The delta means average of difference and so the duration expresses the difference between two date, datetime or time instances.

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Python Reduce Function

This is how reduce function works: It will apply the given function of two arguments to the items of iterable e.g. a list, cumulatively.
The items of sequence are entertained from left to right and the function will “reduce” the sequence to a single value.

Demos and Full Guide