How to accept 5 marks and find the average python for loop code example

Example 1: average python

import numpy as np
values=[1,10,100]
print(np.mean(values))
values=[1,10,100,np.nan]
print(np.nanmean(values))

Example 2: how to find the average in python

import numpy

 avreage_1 = numpy.mean(avreage)# this finds the mean from the array "cost"
    print("words are printed here if needed",avreage_1) # this prints the mean that was found above