HomePythonPython Program to Calculate Average Using Arrays

# Python Program to Calculate Average Using Arrays

In this python tutorial, you will learn how to Calculate Average Using Arrays with the built in statements of the python programming language.

## How to Calculate Average Using Arrays?

Letâ€™s take a look at the source code, here the values are assigned in the code, the built in statements carry out the function.

```# Python program to get average of a list

def Average(lst):
return sum(lst) / len(lst)

lst = [15, 19, 43, 31, 65, 24, 82, 59]
average = Average(lst)

print("Average of the list =", round(average, 2))
```

OUTPUT:

`Average of the list = 42.25`
1. At the start, we use `def Average(lst)`where the `def` keyword is used to define a function and the `Average(lst)` is to call the average function to get the average of the values stored in the variable `(lst)`
2. Using the `return` function and the built in functions `sum(lst)` and `len(lst)`, we return the sum of the values stored in the variable `(lst)`divided by the length of the values stored in `(lst)`
3. The formula for calculating the average of a list of values is the sum of all terms divided by the number of those terms as given above.
4. We declare the variable `(lst)` equal to the values `[15, 19, 43, 31, 65, 24, 82, 59]`, after which we declare the variable `average` which is equal to the average of the variable `(lst)`
5. Using the `print` function, we display the statement `("Average of the list =", round(average, 2))`, where the `round` function gives the rounded value of the obtained average value stored in the variable.

NOTE:

• The Sum() function adds up all the numerical values in an iterable, such as a list, and returns the total of those values.
• The Len() function returns the length of an object. It is a built in function.
• The Round() function returns a number that is a rounded version of the specified number, with the specified number of decimals.
• The statement for the input function are enclosed inÂ single quotesÂ andÂ parenthesis.
• TheÂ \nÂ in the code indicates a new line or the end of a statement line or a string.
• The print statement/string to be displayed in enclosed inÂ double quotes.

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