# Start writing code here...salute = "Hello World! and Hello students!" print(salute)The next code implemts average:$ avg = \frac{1}{n} \sum_{i = 1}^n x_i = \frac{1}{n} (x_1 + x_2 + ... +x_n) $# WORLD 1 # python 3.9 import numpy as np #library import pandas as pd #library list_x = [1, 3, 5, 7, 9] avg = sum(list_x)/5 print("average: ",avg) avg_numpy = np.mean(list_x) print("avg_numpy: ", avg_numpy)# WORLD 2 # python 2.7 import numpy as np #library import pandas as pd #library list_x = [1, 3, 5, 7, 9] avg = sum(list_x)/5 print("average: ",avg) avg_numpy = np.mean(list_x) print("avg_numpy: ", avg_numpy)