Python 3.9.5 (tags/v3.9.5:0a7dcbd, May  3 2021, 17:27:52) [MSC v.1928 64 bit (AMD64)] on win32
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>>> n_num = [1,2,3,4,5]
>>> n = len(n_num)
>>> get_sum = sum(n_num)
>>> mean = get_sum/n
>>> print("mean/average is:"+str(mean))
mean/average is:3.0
>>> 0
0
>>> 