Create a function `hasCity` that takes a country and an array of cities
of that country and it returns a new function. \
The new function takes a city parameter which returns
whether a city is part of that country or not.
Create a function `hasCity` that takes a string called `country` and an array of strings, which are cities of that country, which returns a new function. \
The new function takes a string, called `city`, as a parameter and which determines
whether the array contains that string or not.
If it is, it should be returned`<city> is a city from <country>`, otherwise
If it does, it should return the string`<city> is a city from <country>`, otherwise