6 Student Becomes the Teacher

get score letter fromstudent list

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lloyd = {   "name": "Lloyd",   "homework": [90.0, 97.0, 75.0, 92.0],   "quizzes": [88.0, 40.0, 94.0],   "tests": [75.0, 90.0] } alice = {   "name": "Alice",   "homework": [100.0, 92.0, 98.0, 100.0],   "quizzes": [82.0, 83.0, 91.0],   "tests": [89.0, 97.0] } tyler = {   "name": "Tyler",   "homework": [0.0, 87.0, 75.0, 22.0],   "quizzes": [0.0, 75.0, 78.0],   "tests": [100.0, 100.0] }   # Add your function below! def average(numbers):   total = sum(numbers)   total = float(total)   return total/len(numbers)   def get_average(student):   homework = average(student["homework"])   quizzes = average(student["quizzes"])   tests = average(student["tests"])   return 0.1 * homework + 0.3 * quizzes + 0.6 * tests   def get_letter_grade(score):   if score >= 90:     return "A"   elif score >=80:     return "B"   elif score >=70:     return "C"   elif score >=60:     return "D"   else:     return "F"   def get_class_average(class_list):   results = []   for student in class_list:     student_avg = get_average(student)     results.append(student_avg)   return average(results)   students = [lloyd, alice, tyler]   print get_class_average(students)