meus_numeros = [1, 56, 342, 12, 781, 23, 43, 45, 123, 567]
for c in meus_numeros:
if c%3 == 0:
print(c, end=' ') # arrume a identação que funciona
bWV1c19udW1lcm9zID0gWzEsIDU2LCAzNDIsIDEyLCA3ODEsIDIzLCA0MywgNDUsIDEyMywgNTY3XQoKZm9yIGMgaW4gbWV1c19udW1lcm9zOgogICAgaWYgYyUzID09IDA6CiAgICAgICAgcHJpbnQoYywgZW5kPScgJykgIyBhcnJ1bWUgYSBpZGVudGHDp8OjbyBxdWUgZnVuY2lvbmE=