1 files changed, 66 insertions, 0 deletions
diff --git a/User.py b/User.py
new file mode 100644
index 0000000..1e173fa
--- /dev/null
+++ b/User.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+class User:
+	def __init__(self, bag):
+		''' Initialize the Computer class.
+			
+			@param bag: the bag with letters.
+		'''
+		self.__letters = bag.remove_letters()
+				
+	
+	def get_letters(self):
+		''' Return the list of Letters.
+			
+			@return: the list of elements.
+		'''		
+		return self.__letters
+		
+	def letters_length(self):
+		''' Return the length of the list of Letters.
+			
+			@return: the number of elements.
+		'''
+		return len(self.__letters)
+	
+	def get_letter_at(self, index):
+		''' Get the letter at the specified index of the list.
+			
+			@param index: the index
+			@return: the Letter
+		'''		
+		return self.__letter[index]
+	
+	def add_letter(self, letter):
+		''' Add a new Letter to the list of Letters.
+			
+			@param letter: the new Letter.
+		'''
+		self.__letters.append(letter)
+	
+		
+	def swap_letters(self, bag, letters):
+		''' Return the given list of Letters to the bag, and take
+			the same amount from the bag.
+			
+			@param bag: the bag
+			@param letters: the list of Letters.
+			@return: True if it is possible otherwise False.
+		'''
+		from_bag = bag.remove_letters(len(letters))
+		if from_bag == -1:
+			return False
+		elif len(from_bag) == len(letters):
+			bag.add_letters(letters)
+			for l in letters:
+				self.get_letters().remove(l)
+			for l in from_bag:
+				self.add_letter(l)
+			return True
+		else:
+			bag.add_letters(from_bag)
+			return False
+				
+
+
+
+