You've created a dictionary to store your marks with the course name as the key and a list of integers as the marks for that course. Write a function called my$\_$average that takes this dictionary as a parameter and prints out your average for each course and your overall average for all courses.

Dictionaries con't

my$\_$marks $=\{"$math$"$: $76,67,82,90,$ "english": $[72,$

$77,69,81,75],$ "biology": $[83,86,79,$

$93],$ "physics": $88,89,92,96,93,$

"chemistry": $[71,65,73,80]$