operation specific to the type of assignment on the two operands, and assigns
the result to the original target. The target is only evaluated once.
-An augmented assignment expression like ``x += 1`` can be rewritten as ``x = x +
+An augmented assignment statement like ``x += 1`` can be rewritten as ``x = x +
1`` to achieve a similar, but not exactly equal effect. In the augmented
version, ``x`` is only evaluated once. Also, when possible, the actual operation
is performed *in-place*, meaning that rather than creating a new object and