In pyhton i want to code something like this( if this word is mentioned print this)..but i dont know how...help

Question

print

Answer 1

but i want to pri t "this" whenever the "word" is mentioned

Answer 2

like if i writ3 this then the word comes up

Answer 3

input:
string="Hello world"
if Hello in string:
print ( 'yes')
if Hi in string:
print ( ' Hi is in string')

output:
yes

Answer 4

just a variable?

word="this"
print(word)