python does not have multi statement lambda. You really want to use def . Think about it: you really need a callable as a parameter of your ... ... <看更多>
Each portion must fit on one line: mapping expression, for clause, filter expression. Multiple for clauses or filter expressions are not permitted. Use loops ... ... <看更多>
This tutorial on Python lambda functions covers filter, sort, an explanation of if statements, lambda expressions and how they can be used ... ... <看更多>