Repeat Exercise E6.15, but make the bars vertical, with the tallest bar twenty asterisks high.

Data from Exercise E6.15,

Write a program that reads a sequence of input values and displays a bar chart of the values, using asterisks, like this:

**********************
****************************************
****************************
**************************
**************

You may assume that all values are positive. First figure out the maximum value. That value’s bar should be drawn with 40 asterisks. Shorter bars should use proportionally fewer asterisks.

*... ...