Using Python Code, develop python code to produce the results described for each part below.

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Develop Python code to produce the results described for each part below. Part A. The mean (T) of a set of n data points is defined as follows: -_ (x1 + x2 + ..... +xn) _ 1 .. -=-> X; ni=1 Write Python code to calculate and display the mean grade of the set of grades given. Please do not use any built-in Python functions for summing or calculating the mean. Instead, set up a loop to calculate the sum of the numbers in the list, then divide by the number of items in the list. Use Excel to verify your results