Generators

  • all generators are also iterators

  • an iterator created automatically by calling a generator function

  • contains the keyword yield anywhere in the body

  • When a generator function is called, it returns a generator instead of going into the body of the function.

  • The only way to go into the body of a generator function is by calling next on the returned generator

  • Yielding values is the same as returning, except yield remebers where it left off

  • yield from statement yields all values from an iterable (shortcut) - same as for x in a

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