CAN ANYONE GIVE ME SOME FEED BACK😞

Question

This is my code
Please comment for improvement
https://code.sololearn.com/cKJm3i603EoQ/?ref=app

Answer 1

You could make the app_name to lowercase so even if someone give in capital letter your code will recognize.
app_name=app_name.lower();

Answer 2

You should tell end users about what to type in input.

Answer 3

Add an if statement to check whether the input is uppercase or lower ... cause there if the input is not in the keys in the dict then the else block will be run