added challenges solution

6-dictionaries/Morse Decoder/Morse.swift

@@ -1,15 +1,9 @@
-// File Name: Morse.swift
-// Author: Alex DiStasi
-// Purpose: Encode and decode morse code messages
-
-
-// Task Group: Setting Up
-
 var englishText = "this is a secret message"
-var secretMessage = ".... --- .-- -.. -.--   .--. .- .-. - -. . .-." 
+englishText=englishText.lowercased()
+var secretMessage = ".... --- .-- -.. -.--   .--. .- .-. - -. . .-. .-.-.-   ..   .- --   -..-"
 
-// Create a dictionary with letters as keys and morse code counterparts as values
-var lettersToMorse: [String: String] = [
+// Add your code below 🤫
+var letterToMorse:[String:String]=[
   "a": ".-",
   "b": "-...",
   "c": "-.-.",
@@ -37,89 +31,76 @@ var lettersToMorse: [String: String] = [
   "y": "-.--",
   "z": "--..",
   ".": ".-.-.-",
-  "!": "-.-.--",
   "?": "..--..",
-  ",": "--..--"
+  ",": "--..--",
+  "!": "-.-.--"
 ]
-
-
-// Encoding a Message
-
-// Empty string that will store a morse code message
-var morseText = ""
-
-// Loop through each character in englishText
-for element in englishText {
-  // Check if the value exists in the dictionary
-  if let morseChar = lettersToMorse["\(element)"]{
-    // Append the letter to morseText
-    // Append a space to morseText because each letter is separated by a single space in morse code.
-    morseText += morseChar + " "
+var morseText=""
+for element in englishText{
+  if let morseChar = letterToMorse["\(element)"]{
+    morseText+=morseChar+" "
   }
   else{
-    // Append 3 spaces to morseText because each word in a morse code message is separated by three spaces 
-    morseText+="  "
-  } 
+    morseText+="   "
+  }
 }
-print (morseText)
-
-
-// Decoding a Message
-
-var decodedMessage = ""
-var currMorse = ""
-// morseCodeArray will store individual morse code letters from secretMessage
-var morseCodeArray = [String]()
-
-// Loop through each character in secretMorse
-for char in secretMessage {
-  // Check if char is not a space
-  if char != " " {
-    // Append the value of char to currMorse
+print(morseText)
+var decodedMessage=""
+var morseCodeArray=[String]()
+var currMorse=""
+for char in secretMessage{
+  if char != " "{
     currMorse.append(char)
-  } 
-
-  // If the value of char is a space character, the code in the else statement will be executed
-  else {
-    // Use a switch statement to assemble characters into individual morse code letters
-    switch currMorse {
-      case "": 
-        currMorse += " "
+  }
+  else{
+    switch currMorse{
+      case "":
+        currMorse+=" "
       case " ":
-        // Append a space to morseCodeArray
         morseCodeArray.append(" ")
-        currMorse = ""
-      default: 
-        // Append the morse code letter to the array  
+        currMorse=""
+      default:
         morseCodeArray.append(currMorse)
-        // Reset the value of currMorse
-        currMorse = ""
+         currMorse=""
     }
-
   }
 }
-// Append the final value of currMorse to morseCodeArray
 morseCodeArray.append(currMorse)
-
-// Create an empty dictionary. This will hold morse code values as Keys and their english counter parts as Values
-var morseToLetter: [String: String] = [:]
-
-// Iterate through letterToMorse dictionary, add the keys as values and the values as keys to the morseToLetter dictionary
-for (letter,morseChar) in lettersToMorse{
+print(morseCodeArray)
+var morseToLetter:[String:String]=[:]
+for (letter,morseChar) in letterToMorse{
   morseToLetter[morseChar]=letter
 }
-
-// Go through each element in morseCodeArray and find the text value via the morseToLetter dictionary
-for morseValue in morseCodeArray {
-  // Check if the value exists in the morseToLetter dictionary
-  if let letterChar = morseToLetter[morseValue]{
-    //Append the values to decodedMessage
-    decodedMessage += letterChar
+for morseValue in morseCodeArray{
+  if let letterChar=morseToLetter[morseValue]{
+    decodedMessage+=letterChar
+  }
+  else{
+    decodedMessage+=" "
   }
-  //if it's not in the dictionary, it's probably a space
-  else {
-    // Add a space to decodedMessage
-    decodedMessage += " "
+}
+print(decodedMessage)
+//flag to check if the letter is first letter of the sentence
+var flag=1
+var newDecodedMessage=""
+for char in decodedMessage{
+  if char=="."||char=="?"||char=="!"{
+    flag=1
+    newDecodedMessage+="\(char)"
+    continue
+  }
+  if flag==1{
+    if char != " "{
+      print(char)
+      newDecodedMessage+=char.uppercased()
+      flag=0
+    }
+    else{
+      newDecodedMessage+=" "
+    }
+  }
+  else{
+    newDecodedMessage+="\(char)";
   }
 }
-print (decodedMessage)
+print(newDecodedMessage)