num %2
returns False
or True
, which can be understood as 0 or 1.
Using the slicing notation 'eovdedn'[num % 2::2] we can have the following results:
If num % 2 equals False (0) :
'eovdedn'[0::2]
= even (returns every 2 characters starting from 0)
If num % 2 equals True (1) :
'eovdedn'[1::2]
= odd (returns every 2 characters starting from 1)
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