Python Return Syntax Error

Question

def list_function(x):
    return x[1] += 3

I want to do this, but apparently I can\'t. I understand I can do this

x[1] += 3
return x
         


        

Answer 1

From documentation -

return_stmt ::= "return" [expression_list]

The return statement can only be followed by expressions. expression_list is -

expression_list ::= expression ( "," expression )* [","]

But x[1] += 1 is an augmented assignment statement , and as such you cannot have that after return .