How to build a graph in Python

If we wanted to build a barplot in Python, then display it, what would be the proper functions to call and then proper order to call those function?

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Possible Answers

First plt.show(), then sns.barplot().
press1
First pd.read_excel(), then sns.barplot().
press2
First sns.barplot(), then plt.show().
press3
First sns.barplot(), then print().
press4