sum and round functions in Python

Published: 19 July 2022
on channel: Parag Dhawan

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In Python, the sum function takes an iterable (e.g. a list or tuple) of numbers as input and returns the sum of all the elements in the iterable. Here's an example:

numbers = [1, 2, 3, 4, 5]
result = sum(numbers)
print(result) # prints 15

In this example, the sum function is used to compute the sum of the numbers in the numbers list.

The round function in Python is used to round a floating-point number to a specified number of decimal places. The function takes two arguments: the first argument is the number to be rounded, and the second argument (optional) is the number of decimal places to round to. Here's an example:

x = 3.14159
result = round(x, 2)
print(result) # prints 3.14

In this example, the round function is used to round the value of x to two decimal places. The result is assigned to the variable result, which is then printed to the console.

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