Python - Convert partial sublist's elements into int

Question

Suppose you have a list like:

[[\"a\", \"1\", \"2\", \"3\"], [\"b\", \"4\", \"5\", \"6\"], [\"c\", \"7\", \"8\", \"9\"]]

And I want to conv

Answer 1

If you want to convert the lists inplace, your code is good enough.

BTW, the list comprehension can be replaced with map:

l[1:4] = map(int, l[1:4])