python script help;Write a Python code that will create a Python “dictionary” based on the followingspecifications. Add a while loop to continuously: (a) use the “input()” function to ask users to enter a three- or four-letterabbreviation of the time zone; (b) use the “upper()” function to convert the user entry to upper cases; (c) use itas the “key” to retrieve the associated “value” (which is the full name of a time zone); (d) display both the“key” and “value” on screen; and finally (f) ask t