In this task, you are given a country name and you need to return the calling code of the given country. Your output must be formatted as a plus sign (+), followed by the calling code number

[EX Q]: Burkina Faso
[EX A]: +226

[EX Q]: Congo, Democratic Republic of the (Zaire)
[EX A]: +243

[EX Q]: Uzbekistan
[EX A]:
+998

