circuitpython/tests/basics/builtin_reversed.py at master · StackRduino/circuitpython

Repository navigation

import skip_if

skip_if.no_reversed()

# list

print(list(reversed([])))

print(list(reversed([1])))

print(list(reversed([1, 2, 3])))

# tuple

print(list(reversed(())))

print(list(reversed((1, 2, 3))))

# string

for c in reversed('ab'):

print(c)

# bytes

for b in reversed(b'1234'):

print(b)

# range

for i in reversed(range(3)):

print(i)

# user object

class A:

def __init__(self):

pass

def __len__(self):

return 3

def __getitem__(self, pos):

return pos + 1

for a in reversed(A()):

print(a)

# user object with __reversed__

class B:

def __reversed__(self):

return [1, 2, 3]

print(reversed(B()))