Why dictionary.has_key method run well on this code?

Question

https://sololearn.com/compiler-playground/cjy7e6n4cPwl/?ref=app

Answer 1

This question does not make any sense, so you might as well delete it.
The attached code runs and not related to the title.
Your real question about has_key method has been answered here.
https://www.sololearn.com/Discuss/3263059/?ref=app

Answer 2

get is not the same as has_key.