USE PYTHON CODE

Question #5 Write a function multi repeat that has two arguments, word of string type, and k an integer. The function will return the string that consists of all characters that occur in the string word at least k times, in the order that they occur. For example multirepeat ("xxyxyaaxabc", 2) will return the string "" and multi-repeat ("xxyxyaaxabc", 5) will return the empty string