$6.$ String Methods.

Given a name in the format

lastname, firstname

where there is exactly one comma and exactly one space

transform the name into the format

first$\_$initial. lastname

where

first$\_$initial and lastname are both capitalized

there is exactly one period and space following the first$\_$initial

For example, given s $=$gandhi$,$ mahatma$$

the output will be

M$.$ Gandhi

Hint $1$: use the following string methods $.$capitalize$()$ and $.$find$()$

Hint $2$: do not use the $.$split$()$ method. You are not allowed to use advanced data structure such as: Lists and Tuples.

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Use the input statement in the skeleton code: