numbers = [2.2, 7.3, 1, 0, 9.5, 6.2, 42]
results = []
for value in numbers:
    results.append(value ** 2)
results

numbers = [2.2, 7.3, 1, 0, 9.5, 6.2, 42]
results = [value ** 2 for value in numbers]
results

multiplication_table = [a * b for a in range(1, 5) for b in range(1, 5)]
multiplication_table

multiplication_table = [a * b for a in range(1, 5) for b in range(a, 5)]
multiplication_table

numbers = [2.2, 7.3, -5, -2.2, 1, 0, 9.5, -7, 6.2, 42]
results = [value ** 2 for value in numbers if value > 0]
results