""" This is the Scratchpad! This file is not graded, but you can use it to test your code. Write the function called replace_at_index that takes three arguments - a string, an integer (representing an index), and a string. Return a string that is the same as the first string, except with the You can write and test your function in the Scratchpad, but make sure to copy and paste it into the Unit Test file before checking character at the specified index replaced by the second string! your answer. Remember to only copy and paste the function you want to submit, not all of your tests. replace_at_index("house", , "m") \# Add your own tests here