What should replace the blank line in the following Python code to output the chart below? import numpy as np import pandas as pd import matplotlib.pyplot as plt *1 = [1, 2, 3] y1 = 12, 4, 61 scatter(xi, y1) 6.0 55 50 45 40 35 30 25 20 1.00 125 150 175 200 225 2.50 275 300