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The 44 lines of the file PresStates.txt contain the names of the states that produced each of the first 44 presidents. The first four lines

The 44 lines of the file PresStates.txt contain the names of the states that produced each of the first 44 presidents. The first four lines of the file contain the states Virginia, Massachusetts, Virginia, and Virginia. Write a program that deletes all duplications from the file and also displays the number of states that have produced presidents.

Output: 18 different states have produced presidents of the United States.

Please solve in python. Thank you

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