use this def get$\_$row$\_$length$($puzzle: str$)->$ int:

$"""$Return the length of a row in puzzle.

Preconditions:

$-$ puzzle is in the proper 'Where's that word?$\text{'}$ puzzle format

$>>>$ get$\_$row$\_$length$(\text{'}$abcd

efgh

ijkl

$\text{'})$

$4$

$>>>$ get$\_$row$\_$length$(\text{'}$ab

cd

ef

$\text{'})$

$2$

$"""$

return len$($puzzle$.$split$(\text{'}$

$\text{'})[0])$ to solve thisdef get$\_$row$($puzzle: str$,$ row$\_$num: int$)->$ str:

$"""$Return the letters in a row from the puzzle correspondind to the row$\_$num without newline character.

$>>>$ get$\_$row$(\text{'}$abcd

efgh

ijkl

$\text{'},2)$

'ijkl'

$>>>$ get$\_$row$(\text{'}$mno

pqr

stu

$\text{'},0)$

'mno'

$"""$