Iterator concept, generator Concept

Iterator concept, generator Concept
Iteratable objects:

• Objects that can be directly acted on by the for King are collectively referred to as iteration objects: Iterable

1 # to determine whether an object is an Iterable object, first import the Iterable module in collections 2> from collections import Iterable3> isinstance ([], Iterable) 4> True5> isinstance (100, Iterable) 6> Fales

Iterator

• Can be called by the next () function and continuously return the next worthwhile object collectively referred to as the Iterator: Iterator
• You can use the iter () function to convert non-iterator objects into iterators.

1 # determine whether an object is an Iterator object 2> from collections import Iterator3> isinstance (x for I in range (10), Iterator) 4> True5> isinstance ([], Iterator) 6> False