Question: 1.) Define a python function that accepts uppercase and returns lowercase words. 2.) Write definitions for the following two functions: sumN (n) returns the sum

1.) Define a python function that accepts uppercase and returns lowercase words.

2.) Write definitions for the following two functions: sumN (n) returns the sum of the first n natural numbers. sumNCubes (n) returns the sum of the cubes of the first n natural numbers. Then use these functions in a program that prompts a user for an n and prints out the sum of the first n natural numbers and the sum of the cubes of the first n natural numbers.

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