Python is a highly readable, less syntactic, interactive, object-oriented, interpreted, and high-level programming language. Python uses English terms instead of punctuation.
Some of the features of Python are mentioned below -
- It can be used for production-ready applications or rapid prototyping as well.
- It can handle complex computations and big data.
- It uses simpler syntax and can be used to write complex codes in a shorter and simpler way.
- Designed for readability and provides scope. It mainly relies on whitespace, indentation, etc.
In this article, we will discuss how to find the average of numbers present in the list in Python using the Average function in Python.
Python Average
To find the average of given numbers in a list, we use the Python Average function. Average in Python is usually calculated by adding all the numbers in a list and then dividing it by the number of elements in this list.
There are multiple ways to find the average of a List in Python, and two of the main ways are mentioned below:
1) Python Average: Len() and Sum()
2) Python Average: statistics.mean()
1) Python Average: Len() and Sum()
The Sum() and Len() functions are built-in in Python and are used to find the averages.
This method of finding the average helps avoid looping through the list and hence is time and effort-saving. This also reduces redundancy and helps maintain DRY code since it helps in finding the average of a list using a single line.
Example 1
numbers = [30, 55, 3, 10, 2]
average = sum(numbers)/len(numbers)
print("Average of list: ", round(average,3))
Output
Average of the list: 20.0
Example 2
num_list = [1, 999, 2, 1023, 223, 876, 32]
average = sum(num_list)/len(num_list)
print("Average of list: ", round(average,2))
Output
Average of the list: 450.86
Example 3
numbers = [3098, 5565, 323, 1120, 2342, 75664]
average = sum(numbers)/len(numbers)
print("Average of list: ", round(average,1))
Output
Average of the list: 14685.3
Example 4
numbers = [3, 55986365, 564323, 1314320, 72325342, 7534265664]
average = sum(numbers)/len(numbers)
print("Average of list: ", round(average,4))
Output
Average of the list: 1277409336.1667
2) Python Average: statistics.mean()
To easily calculate the python average of a list, we can use the statistics module’s mean() function. The following examples demonstrate the same.
Example 1
from statistics import mean
num_list = [30, 55, 3, 10, 2]
average = mean(num_list)
print("Average: ", round(average,3))
Output
Average: 20
Example 2
from statistics import mean
numbers = [1, 999, 2, 1023, 223, 876, 32]
average = mean(numbers)
print("Average: ", round(average,3))
Output
Average: 450.857
Example 3
from statistics import mean
num_list = [3098, 5565, 323, 1120, 2342, 75664]
average = mean(num_list)
print("Average of list: ", round(average,1))
Output
Average of the list: 14685.3
Example 4
from statistics import mean
num_list = [3, 55986365, 564323, 1314320, 72325342, 7534265664]
average = mean(num_list)
print("Average of list: ", round(average,4))
Output
Average of the list: 1277409336.1667
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