USING PYTHON 20-write a function phonebyInitial() that takes two parameters: a name /phone number dictionary and the second paramter is an initial letter. it should return a dictionary of all names and phone numbers pairs in whih name begins with the given initial'

20b- write a function named phonebAreacode() that takes 2 parameters th parameter1 will be the same as the question before and the second paramter will be a three letter string representing an area code