Copy the following block into the data.txt file on your computer and write a program that counts how many unique names this file contains. The answer to the problem is the number of unique names.
Kate
Alice
Grace
Sophia
Bob
Liam
Ryan
Eva
Charlie
Mia
Ryan
Kate
David
Frank
Tom
Jack
Grace
Tom
Ryan
Noah
Eva
Bob
Olivia
Jack
Liam
David
Peter
Jack
Quinn
Mia
Henry
Isabella
Quinn
Frank
Liam
Frank
Henry
Sophia
Isabella
Eva
Kate
Charlie
Quinn
Peter
Tom
Bob
Grace
Isabella
Noah
Charlie
Olivia
Alice
Mia
David
Alice
Sophia
Henry
Noah
Olivia
Peter