Py Lists and Loops

Write a function which creates a cumulative sum of numbers in a list.
This is a sequence of partial sums: the first number is unchanged;...

You are given a list of numbers. Your goal is to chop off the end of the list until a number within the list is equal to the list's...

You may be familar with the phrase "'i' before 'e' except after 'c'". It is meant to act as a rule to aid in english spelling, but is...