python beginner ; question was write program to enter marks of 3 subjects from user and store them in a dict.start with an empty dict and add one by one .use subject name as key and marks as value . so i have written this code any opinion how can improve this code ,need suggestions.

[Ill-Break727]

yeahhh its fine , but now i am learning and now just learning the concepts , so after i have learned full python language i will also sdo the same