On 2/6/2020 2:26 PM, Mark Shannon wrote:
In the python grammar, an 'expression' is a 'starred_item' but a
'starred_item' need not be an expression.
starred_item ::= expression | "*" or_expr
expression ::= conditional_expression | lambda_expr
conditional_expression ::= or_test ["if" or_test "else" expression]
'*a' is a 'starred_item' but not an 'expression'.
I don't know where you got that grammar from, but not GitHub
https://github.com/python/cpython/blob/master/Grammar/Grammar#L142
From the human readable docs
https://docs.python.org/3/reference/expressions.html#expression-lists
https://docs.python.org/3/reference/expressions.html#conditional-expressions
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