Understanding problem in task 1

I did’nt get the meaning of BAR GRAPH like between which two entities it has to be made

Hey,
bar graph is just a plotting of a column whose height is given in the parameter.

plt.bar( x, height)

the X values will be plotted on x axis suppose [1,2,3,4,5]
the height variable is the height of bar corresponding to each value of x for eg. [34,67,29,41,56]

try plotting this graph on jupyter notebook, you will get the difference.

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