import numpy as np

zero_to_ten = np.arange(10)
twenty_to_thirty = np.arange(20, 30)
ten_by_twos = np.arange(0, 10, 2)

print('ARANGE:')
print('One parameter:')
print(zero_to_ten)
print('Two parameters:')
print(twenty_to_thirty)
print('Three parameters:')
print(ten_by_twos)

