Write a program that creates a pattern like the one below. Let the user input a nonnegative integer to determine the number of lines of the pattern. For example, if the user enters 3, the pattern should look like this: SAMPLE RUN #3: python3 TrianglePattern.py Interactive Session (+de nvisbles Highlight: None : Show Highlighted Only Enter number of 1ines for pattern:5 9 20 2 3 4 5 W E