gg_covid_barplot functions creates a bar chart that shows us the covid- 19 positive case for the user selected state of Australia

gg_covid_barplot function helps us for the creation of bar charts of the covid confirmed cases for one of the Australia's selected state ggplot2 and geom_line, are the dependencies of this functions, we has also set a theme for the graphs which allows the uniformity, throughout our app. We further add this function in the ggplotly function to enhances the user interactivity of our graph.'

gg_covid_barplot(aus_state, input)

Arguments

aus_state	is the required argument of this function, to help the function recognize the data and further work on it as per the function
input	allows the user to read the data for filtering/matching as per the function in order to produce the graph