t = tuple()
assert type(t) == tuple

l = [1, 2, 3, 4, 5]
t = tuple(l)
assert type(t) == tuple
assert t[0] == 1
assert t[1] == 2
assert t[2] == 3
assert t[3] == 4
assert t[4] == 5

t = tuple('test')
assert type(t) == tuple
assert t[0] == 't'
assert t[1] == 'e'
assert t[2] == 's'
assert t[3] == 't'

print('PASS')