Please do the assignment in python and please comment the program. Thank you

3. International Morse Code defines a standard encoding where each letter is mapped to a series of dots and dashes, as follows: "amaps to . ", "b" maps tomaps to .-.", and so on. For convenience, the full table for the 26 letters of the English alphabet is given below: IS Now, you need to write a function to return the morse code for the corresponding input word. Note: the input word would be in lower case. Example: Input: word = "gin" Output: ." Input: word "zen" Output