a_list = ['crazyit', 20, -1.2]
a_tuple = tuple(a_list)
print(a_tuple)

a_range = range(1, 5)
print(a_range)

b_tuple = tuple(a_range)
print(b_tuple)

c_tuple = tuple(range(4, 22, 3))
print(c_tuple)   # (4, 7, 10, 13, 16, 19)