``` usage: plot [-p] [-x VARIABLE] [-y VARIABLE] [-h] ``` plots an x and y variable defined by the user ``` optional arguments: -x, --x selects the x variable for the graph (default: None) -y, --y selects the y variable for the graph (default: None) -c, --custom selects a predefined graph (default: None) -p, --put shows the chart for puts instead of calls (default: False) -h, --help show this help message (default: False) ```