Problem
1. Write a routine to display a bar graph in any specified screen area, Input is to include the data set, labeling for the coordinate axes, and fitt coordinates for the screen area. The data set is to be scaled to fit the designated screen area, and the bars are to be dis-played in designated colors or patterns.
2. Write a procedure to display two data sets defined ever the same x-coordinate range, with the data values scaled to (it a specified region of the display screen. The bars for one of the data sets are to be displaced horizontally to produce an overlapping bar pattern for easy comparison of the two sets of data. Use a different color or a different (ill pattern for the two sets of bars.