On Thu, 22 Sep 2016 12:29:12 -0700, 380162267qq wrote: > A=["1","2","3"] > print(list(map(float,A)).insert(0,1)) > > I want to insert 1 at the head of the list but this gives me a surprise
I am not certain about what you are doing so I might be way off here. The following will insert 1 at the head of the list... Python 3.4.2 (default, Oct 8 2014, 10:45:20) [GCC 4.9.1] on linux Type "help", "copyright", "credits" or "license" for more information. >>> A=["1","2","3"] >>> list.insert(A,0,"1") >>> print(A) ['1', '1', '2', '3'] -- <Wildman> GNU/Linux user #557453 The cow died so I don't need your bull! -- https://mail.python.org/mailman/listinfo/python-list