I know that tuples are immutable but the following code is not giving me any error:

tup=(1,2,3,4)
tup=()
print(tup)

Please can anyone help me understand why the statement 2 is not giving me any error?

CodePudding user response：

The reason why it's not giving you an error is because the variable tup is a reference to the tuple (1, ,2, 3, 4) and then becomes a reference to an empty tuple.

The tuple values are not modified.

CodePudding user response：

It's because line 2 isn't mutating the first tuple tup. Instead, it's creating a completely new tuple, then assigning it to the variable name tup. The first tup isn't being changed, it's being replaced.