def is$\_$word$\_$there$($text$,$ word$)$:

$"""$

What it takes?

a text to be searched

a word to be searched within a text

what it does?

searches if a word occurs in a text

What it returns?

returns $1$ if word is in the text.

returns $-1$ if word is not in the text

$"""$

# your code goes in here

return