Please create and comment the code in python. Thank you

3. International Morse Code defines a standard encoding where each letter is mapped to a series of dots and dashes, as follows: "a" maps to "-"b" maps to "....", "c" maps to"- .-.", and so on. For convenience, the full table for the 26 letters of the English alphabet is given below: 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