[Python-ideas] Adding "+" and "+=" operators to dict

[MRAB]

On 2015-02-12 21:56, Greg Ewing wrote:
> There's an obvious way out of all this. We add
> *two* new operators:
>
>      d1 >> d2  #  left operand wins
>      d1 << d2  #  right operand wins
>
Next people will be suggesting for an operator that subtracts the LHS
from the RHS!

> And if we really want to do it properly:
>
>      d1 ^ d2   #  raise exception on duplicate keys
>