Need Help Creating a Function (Python 3)

You are to code a module which contains the definition for a function named searchEntry. This

function takes one dictionary parameter, book. Your module should be in a file named Search.py

# The dictionary 'book' is contains name:AddressEntry pairs.

# eg.) book = { name: AddressEntry, name2: AddressEntry }

# name key consists of all upper case letters, no blanks

# For example the key for the name John A Smith is JOHNSMITHA

The function searchEntry is to do the following:

* ask the user for a first name, last name and middle initial

* transform first name, last name and middle initial to for required for key as explained above

*if the user IS in the dictionary, print out the entry for this user

*if the user IS NOT in the dictionary, print a message stating this AND

Print out the full names of all entries in the dictionary with the same last name