# Program 3: Number Series Generator
# Known Bugs (may have others):
# 1. Doesn't generate the whole series
# 2. Sum of squares is wrong
# 3. Step size is always one
def generate_series(start, end, step):
    """Generate a series of numbers and their squares."""
    numbers = []
    squares = []
    
    for i in range(start, end):
        numbers.append(i)
        squares.append(i ** 2)
    
    sum_squares = 1
    for square in squares:
        sum_squares += square
    
    return numbers, squares, sum_squares

result = generate_series(1, 5, 1)
print("Numbers:", result[0])
print("Squares:", result[1])
print("Sum of squares:", result[2])