👉 In mathematics, a summation is an operation that adds up all the values of a set or expression. It is often used to find the sum of numbers in a sequence, such as adding up all the integers from 1 to n. For example: ``` sum(1 to 5) ``` This would return the total number of integers between 1 and 5 (inclusive). In programming, a summation can be defined using loops or recursion. For example, in Python,
