22 | for nested

What it is is:

test_score_averages.py

# This program averages test scores. It asks the user for the
# number of students and the number of test scores per student.

# Get the number of students.
num_students = int(input('How many students do you have? '))

# Get the number of test scores per student.
num_test_scores = int(input('How many test scores per student? '))

# Determine each students average test score.
for student in range(num_students):
    # Initialize an accumulator for the test scores.
    total = 0.0

    # Display the student number.
    print(f'Student number {student + 1}')
    print('-----------------')

    # Get the student's test scores.
    for test_num in range(num_test_scores):
        print(f'Test number {test_num + 1}', end='')
        score = float(input(': '))

        # Add the score to the accumulator.
        total += score

    # Calculate the average test score for this student.
    average = total / num_test_scores

    # Display the average.
    print(f'The average for student number {student + 1} '
          f'is: {average:.1f}')
    print()