Create plot1.png
Delete plot1.png
Revert "Delete plot1.png"

This reverts commit f521d08cb071efd5e5cdb62feed6ce5fc37a2d03.
Revert "Revert "Delete plot1.png""

This reverts commit 1bd4ebcd20a623b5bf06f8b05c126ea6db4a5d9c.
plot1.png
Assignment 1