# Augmented assignment test. x = 2 x += 1 x *= 2 x **= 2 x -= 8 x %= 12 x >>= 1 x &= 2 x |= 5 x ^= 1 x <<= 2 x /= 2 x //= 2 print x print int(x) x = [2] x[0] += 1 x[0] *= 2 x[0] **= 2 x[0] -= 8 x[0] %= 12 x[0] >>= 1 x[0] &= 2 x[0] |= 5 x[0] ^= 1 x[0] <<= 2 x[0] /= 2 x[0] //= 2 print x print int(x[0]) x = {0: 2} x[0] += 1 x[0] *= 2 x[0] **= 2 x[0] -= 8 x[0] %= 12 x[0] >>= 1 x[0] &= 2 x[0] |= 5 x[0] ^= 1 x[0] <<= 2 x[0] /= 2 x[0] //= 2 print x[0] print int(x[0]) x = [1,2] x += [3,4] x *= 2 print x x = [1, 2, 3] y = x x[1:2] *= 2 y[1:2] += [1] print x print x is y class aug_test: def __init__(self, value): self.val = value def __radd__(self, val): return self.val + val def __add__(self, val): return aug_test(self.val + val) class aug_test2(aug_test): def __iadd__(self, val): self.val = self.val + val return self class aug_test3(aug_test): def __iadd__(self, val): return aug_test3(self.val + val) x = aug_test(1) y = x x += 10 print isinstance(x, aug_test) print y is not x print x.val x = aug_test2(2) y = x x += 10 print y is x print x.val x = aug_test3(3) y = x x += 10 print isinstance(x, aug_test3) print y is not x print x.val class testall: def __add__(self, val): print "__add__ called" def __radd__(self, val): print "__radd__ called" def __iadd__(self, val): print "__iadd__ called" return self def __sub__(self, val): print "__sub__ called" def __rsub__(self, val): print "__rsub__ called" def __isub__(self, val): print "__isub__ called" return self def __mul__(self, val): print "__mul__ called" def __rmul__(self, val): print "__rmul__ called" def __imul__(self, val): print "__imul__ called" return self def __floordiv__(self, val): print "__floordiv__ called" return self def __ifloordiv__(self, val): print "__ifloordiv__ called" return self def __rfloordiv__(self, val): print "__rfloordiv__ called" return self def __truediv__(self, val): print "__truediv__ called" return self def __itruediv__(self, val): print "__itruediv__ called" return self def __rtruediv__(self, val): print "__rtruediv__ called" return self def __mod__(self, val): print "__mod__ called" def __rmod__(self, val): print "__rmod__ called" def __imod__(self, val): print "__imod__ called" return self def __pow__(self, val): print "__pow__ called" def __rpow__(self, val): print "__rpow__ called" def __ipow__(self, val): print "__ipow__ called" return self def __or__(self, val): print "__or__ called" def __ror__(self, val): print "__ror__ called" def __ior__(self, val): print "__ior__ called" return self def __and__(self, val): print "__and__ called" def __rand__(self, val): print "__rand__ called" def __iand__(self, val): print "__iand__ called" return self def __xor__(self, val): print "__xor__ called" def __rxor__(self, val): print "__rxor__ called" def __ixor__(self, val): print "__ixor__ called" return self def __rshift__(self, val): print "__rshift__ called" def __rrshift__(self, val): print "__rrshift__ called" def __irshift__(self, val): print "__irshift__ called" return self def __lshift__(self, val): print "__lshift__ called" def __rlshift__(self, val): print "__rlshift__ called" def __ilshift__(self, val): print "__ilshift__ called" return self x = testall() x + 1 1 + x x += 1 x - 1 1 - x x -= 1 x * 1 1 * x x *= 1 x / 1 1 / x x /= 1 x // 1 1 // x x //= 1 x % 1 1 % x x %= 1 x ** 1 1 ** x x **= 1 x | 1 1 | x x |= 1 x & 1 1 & x x &= 1 x ^ 1 1 ^ x x ^= 1 x >> 1 1 >> x x >>= 1 x << 1 1 << x x <<= 1