In Python use import sys Use the following dictionary to complete this assignment:   {'A':4.0, 'A-':3.66, 'B+':3.33, 'B':3.0, 'B-':2.66, 'C+':2.33, 'C':2.0, 'C-':1.66, 'D+':1.33, 'D':1.00, 'D-':.66, 'F':0.00}   Create a program that takes four letter grade arguments and prints out the corresponding GPA, to two decimals. Your program should work both in arguments are upper-case and lower-case.  Your program should print in the form:               My GPA is x               Where x is equal to the GPA calculation

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