*PYTHON* Provide a class Letter for authoring a simple letter. In the constructor, supply the names of the sender and the recipient:

def __init__(self, letterFrom, letterTo)

Supply a method

def addLine (self, line)

to add a line of text to the body of the letter.

Supply a method

def getText(self)

that returns the entire text of the letter.

The letter has the form:

Dear recipient name:

blank line

first line of the body

second line of the body

.

last line of the body

blank line

Sincerely,

blank line

sender name

For example, assuming that you have the sender named John and the recipient named Mary. John wrote two lines of the letter: 1: How are you? 2: I really miss you!

Your test file leveraging this Letter class will have the following output:

Dear Mary:

How are you?

I really miss you!

Sincerely,

John

Submit two files: 1: Letter class; 2: a test file