The questions are as follows : 1.Write a function to calculate the Euclidean distance and Manhattan distance between two vectors. The vectors dimension is variable. Do not use any inbuilt functionalities of python.
2.Write a function to implement k-NN classifier. k is a variable and based on that the count of neighbors should be selected. 3.Write a function to convert categorical variables to numeric using label encoding without using any existing functionalities. 4.Write a function to convert categorical variables to numeric using One-Hotencoding without using any existing functionalities.