Migrating dictionary.py from Python2 to Python3

dictionary.py

@@ -1,85 +1,88 @@
-
 global dictionary
 dictionary = {}
 
+
 class Dict:
-	def __init__(self, word, meaning):
-		self.word = word
-		self.meaning = meaning
-
-	def add_new(self):
-		dictionary[self.word] = self.meaning
-		print "Word Successfully Added"
-
-	def delete_word(self):
-		try:
-			del dictionary[self.word]
-			print "Word Successfully Deleted"
-		except KeyError:
-			print "The Word Does Not Exist in Dictionary. Try Again!"	
-
-	def edit_word(self):
-		try:
-			dictionary[self.word] = self.meaning
-			print "Word Was Successfully Edited"
-		except KeyError:
-			print "The Word You Trying To Edit Does Not Exist in Dictionary!"	
-
-	def view_word(self):
-		try:
-			print dictionary[self.word]
-		except KeyError:
-			print "The Word is not in Dictionary."
-
-	def view_all(self):		
-		for i in dictionary.keys():
-			print(i + " : " + dictionary[i])
+    def __init__(self, word, meaning):
+        self.word = word
+        self.meaning = meaning
+
+    def add_new(self):
+        dictionary[self.word] = self.meaning
+        print("Word Successfully Added")
+
+    def delete_word(self):
+        try:
+            del dictionary[self.word]
+            print("Word Successfully Deleted")
+        except KeyError:
+            print("The Word Does Not Exist in Dictionary. Try Again!")
+
+    def edit_word(self):
+        try:
+            dictionary[self.word] = self.meaning
+            print("Word Was Successfully Edited")
+        except KeyError:
+            print("The Word You Trying To Edit Does Not Exist in Dictionary!")
+
+    def view_word(self):
+        try:
+            print(dictionary[self.word])
+        except KeyError:
+            print("The Word is not in Dictionary.")
+
+    def view_all(self):
+        for i in dictionary.keys():
+            print(i + " : " + dictionary[i])
+
 
 def start():
-	get_op = raw_input("Add, Delete, Edit, View, View all : ")
-	if get_op in ["add", "Add"]:
-		get_word = raw_input("Word to add : ")
-		get_meaning = raw_input("Meaning : ")
-		new = Dict(get_word, get_meaning)
-		new.add_new()
-
-	elif get_op in ["delete", "Delete"]:	
-		get_word_to_del = raw_input("Word to delete : ")
-		delete = Dict(get_word_to_del, None)
-		delete.delete_word()
-
-	elif get_op in ["edit", "Edit"]:
-		get_word_to_edit = raw_input("Word to edit : ")
-		get_new_meaning = raw_input("New meaning : ")
-		mean = Dict(get_word_to_edit, get_new_meaning)
-		mean.edit_word()	
-
-	elif get_op in ["view", "View"]:
-		get_word_to_view = raw_input("Word to view : ")
-		view = Dict(get_word_to_view, None)
-		view.view_word()
-
-	elif get_op in ["view all", "View All", "View all"]:
-		nothing = Dict(None, None)
-		nothing.view_all()
-
-	else:
-		print "Invalid Input. Try again!"			
+    get_op = input("Add, Delete, Edit, View, View all : ")
+    if get_op in ["add", "Add"]:
+        get_word = input("Word to add : ")
+        get_meaning = input("Meaning : ")
+        new = Dict(get_word, get_meaning)
+        new.add_new()
+
+    elif get_op in ["delete", "Delete"]:
+        get_word_to_del = input("Word to delete : ")
+        delete = Dict(get_word_to_del, None)
+        delete.delete_word()
+
+    elif get_op in ["edit", "Edit"]:
+        get_word_to_edit = input("Word to edit : ")
+        get_new_meaning = input("New meaning : ")
+        mean = Dict(get_word_to_edit, get_new_meaning)
+        mean.edit_word()
+
+    elif get_op in ["view", "View"]:
+        get_word_to_view = input("Word to view : ")
+        view = Dict(get_word_to_view, None)
+        view.view_word()
+
+    elif get_op in ["view all", "View All", "View all"]:
+        nothing = Dict(None, None)
+        nothing.view_all()
+
+    else:
+        print("Invalid Input. Try again!")
+
 
 def end():
-	quit()
+    quit()
+
 
 def main():
-	while True:
-		s_or_e = raw_input("Start or End : ")
-		if s_or_e == "Start":
-			start()
-			print("  ")
-			continue
+    while True:
+        s_or_e = input("Start or End : ")
+        if s_or_e.lower() == "start":
+            start()
+            print("  ")
+            continue
 
-		else:
-			end()	
+        else:
+            end()
 
 
 if __name__ == "__main__":
-	main()		
+    main()