In <39ec91a8-eeae-489f-9237-9d9a481a8...@googlegroups.com> 
38016226...@gmail.com writes:

> 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

insert() does not return anything; it modifies the existing list in-place.

-- 
John Gordon                   A is for Amy, who fell down the stairs
gor...@panix.com              B is for Basil, assaulted by bears
                                -- Edward Gorey, "The Gashlycrumb Tinies"

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