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Tag: sum

How do I solve a two-sum problem with multiple solutions?

So essentially it is a simple two sum problem but there are multiple solutions. At the end I would like to return all pairs that sum up to the target within a given list and then tally the total number of pairs at the end and return that as well. Currently can only seem to return 1 pair of numbers.

Python (Sum of expense, income, and profit)

In Python I have a list of entries. I need to get the sum of expenses, the sum of income, and the profit. I’ve been able to get the expenses and income. Looking to break out the profit. I know I’m missing something simple but can’t figure it out. Answer Looks like you just want to calculate the profit/expenses/income for

combine multiple lines into one column

Here is my dataframe following the merging of two separate dataframes. In the [order] column, orders 2, 4 and 5, have multiple corresponding amounts in the [value] column. This is replicated elsewhere in the dataframe at random points. What can I do to merge these amounts so that I am left with one row in the dataframe per order: Essentially,

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