calling a function in a comprehension - Printable Version +- Python Forum (https://python-forum.io) +-- Forum: Python Coding (https://python-forum.io/forum-7.html) +--- Forum: General Coding Help (https://python-forum.io/forum-8.html) +--- Thread: calling a function in a comprehension (/thread-11530.html) |
calling a function in a comprehension - Skaperen - Jul-13-2018 is there any chance foo() could be called more than once or is it well defined to be exactly once in this or any other comprehension construct? a=[bar(x) for x in foo(x)] RE: calling a function in a comprehension - gontajones - Jul-13-2018 foo() will be called just at the beginning of the for loop. def bar(n): return '0'+str(n) def foo(n): return range(n) print([bar(x) for x in foo(10)]) |