In python please

Vigen`ere Cipher Here we are going to write a simple tool to decrypt the ciphertext created by a Vigen`ere cipher. Your goal in here is to write a program that can help decrypt The following message encrypted by the Vigen`ere cipher.

nenusyegjlegnpwzealpffgzcohojvvsjkwoddirsaoomyaoevzwvoztwjvwfsxldyuselxmngoksvzfyifwcaxouevcnxgqpvrwjtbumuofvdcllusmhzpletrusepwejrtgkshafpovafwmaqocojhbxzpccjhvizlhmpwfqxazhcdnsrgkhrfvmlhvuzngksokrvefoxdgkkinhclxqcietprlaehfqwrzqxtulgfdwjzrsrqqdudkhuuflbspvvyzgrqsdaqzsyeelvalsprlwrusmxzvwfuglzuvsdxkunowzzsorwcblboervqtebuamupvbfusrizzoihgenwspscigkhnwweebjbecjlht pvvnvyjrfphsejkhrlhtafndphbsskkixhktbusmzhyhdefvosapvifrrwvqdcdhnoenweziv

Problem 9. Implement the function that finds the distances between repeated trigrams in the given ciphertext.