GPACalculator.py

the_num = int(raw_input("Enter number of courses ==> "))
total_course_unit=0.0
total_course_grade = 0.0
total_grade_point = 0.0
for a in range (0,the_num):
    course_code = str(raw_input("Enter the course code ==> "))
    course_unit = int(raw_input("Enter the course unit ==> "))
    total_course_unit=total_course_unit+course_unit
    course_grade = int(raw_input("Enter the course grade ==> "))
    total_course_grade = total_course_grade + course_grade
    if(course_grade >= 70 and course_grade <=100):
        grade_point = 5* course_unit
        print 'Course grade ==> A'
    elif (course_grade >= 60 and course_grade <=69):
        grade_point = 4* course_unit
        print 'Course grade ==> B'
    elif (course_grade >= 50 and course_grade <=59):
        grade_point = 3* course_unit
        print 'Course grade ==> C'
    else:
        grade_point = 0* course_unit
        print 'Course grade ==> F'
    total_grade_point = total_grade_point+ grade_point
        
    print 'Total Course Unit ==> ', total_course_unit
print 'GPA ==> ', total_grade_point/ total_course_unit

Wow
We can proceed

Won't mind seeing your gist as well.