can someone help me on codehs. its 7.1.5: initials. here is what your supposed to do

Write a function called initials that will take a first and last name and return their initials using the following format:

initials("Tracy", "Turtle")
# => "T.T."
initials("Peter", "Parker")
# => "P.P."

Answer:

first = input( "What is your first name? " )

last = input( "What is your last name? " )

def initials():

   print ("Your initials are: "+first[0]+"."+last[0]+".")

initials ()

Explanation:

it works when I test but it won't submit. Hope this helps

Following are the program to prints the initials of the input value.  

Program Explanation:

Program:

public class Main //defining a class Main

{

   static String initials(String first, String last)//defining a String method initials that input two variables in the parameter

   {

       return first.charAt(0)+"."+last.charAt(0)+".";//using charAt method that returns first character value

   }

 public static void main(String[] as) //defining main method

 {

   System.out.println(initials("Tracy", "Turtle"));//using print method that calls initials method that accepts value in parameter

   System.out.println(initials("Peter", "Parker"));//using print method that calls initials method that accepts value in parameter

 }

}

Output:

Please find the attached file.

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