diff --git a/source/phone_book.py b/source/phone_book.py
new file mode 100644
index 0000000..40d0218
--- /dev/null
+++ b/source/phone_book.py
@@ -0,0 +1,224 @@
+
+
+phone = {}
+
+class Phonebook:
+
+	def __init__ ( self, fname, lname, phone_number, email, address ):
+		
+		self.fname = fname
+		self.lname = lname
+		self.phone_number = phone_number
+		self.email = email
+		self.address = address
+
+
+	def view_info( self ):
+		
+		print( "Name : {} {}".format( self.fname, self.lname ) )
+		print( "Phone number : {}".format( self.phone_number ) )
+		print( "Email : {}".format( self.email ) )
+		print( "Address : {}".format( self.address ) )
+
+	def show_number( self ):
+		
+		return( "Phone number : {}".format( self.phone_number ) )
+	
+	def show_email ( self ):
+		
+		return( "Email : {}".format( self.email ) )		
+
+def add():
+	while (True):
+
+		get_fname = str(input( "First name : " ))
+		get_lname = str(input( "Last name : " ))
+		get_phone_number = int(input( "Phone number : " ))
+		get_email = str(input( "Email address : " ))
+		get_address = str(input( "Home address : " ))
+
+		full_name = get_fname + " " + get_lname
+
+		phone[full_name] = Phonebook( get_fname, get_lname, get_phone_number, get_email, get_address )
+
+		more = str(input("Do you want to add more [Y/n] : "))
+		if more.strip() == "Y":
+			print(" ")
+			continue
+		
+		else:
+			print(" ")
+			break
+
+
+def update():
+	# still working here
+	pass 	
+
+
+def view_all():
+	while (True):
+
+                name = str(input( "Full name : " ))
+		if name in phone.keys():
+			print(phone[name].view_info())
+		
+		else:
+			print("The name you entered does not exist.Try again")
+
+		more = str(input("Do you want to view more [Y/n] : "))
+		if more.strip() == "Y":
+			print(" ")
+			continue
+		
+		else:
+			print(" ")
+			break	
+
+
+def number_contacts():
+	num_of_contacts = 0
+        for i in phone.keys():
+            num_of_contacts += 1 
+        return("Total number of contacts : {}".format(num_of_contacts))  
+
+
+def view_number():
+	while (True):
+
+		name = str(input( "Full name : " ))
+		if name in phone.keys():
+			print(phone[name].view_number())
+		
+		else:
+			print("The name you entered does not exist.Try again")
+
+		more = str(input("Do you want to view more [Y/n] : "))
+		if more.strip() == "Y":
+			print(" ")  
+			continue
+		
+		else:
+			print(" ")  
+			break
+
+
+def view_email():	
+	while (True):
+
+		name = str(input( "Full name : " ))
+		if name in phone.keys():
+			print(phone[name].view_email())
+		
+		else:
+			print("The name you entered does not exist.Try again")
+
+		more = str(input("Do you want to view more [Y/n] : "))
+		if more.strip() == "Y":
+			print(" ")  
+			continue
+		
+		else:
+			print(" ")  
+			break
+
+
+def view_names():
+	print("All contacts : ")	
+	for i in phone.keys():
+		print("   {}".format(i))
+
+def delete():
+
+	while (True):
+
+		if len(phone.keys()) == 0:
+			print("The contacts list is empty.")
+			break
+
+		name = str(input( "Full name : " ))
+		if name in phone.keys():
+			del phone[name]
+			print("Contact deleted successfully.")
+
+		else:
+			print("The name you entered does not exist.Try again")
+
+		more = str(input("Do you want to delete more [Y/n] : "))
+		if more.strip() == "Y":
+			print(" ")  
+			continue
+		
+		else:
+			print(" ")  
+			break
+
+
+
+print("========================Program Started========================")
+
+print("Hello,")
+
+while (True):	
+
+	start_or_end = str(input( "Start or End : " ))
+	if start_or_end.strip() == "Start" :
+		
+		op = str(input( "Add or Update or Delete or View : " ))
+		if op.strip() == "Add":
+			print(add())
+			print(" ")  
+			continue
+
+		elif op.strip() == "Update":
+			print(update())
+			print(" ")  
+			continue
+
+		elif op.strip() == "Delete":	
+			print(delete())
+			print(" ")  
+			continue
+
+		elif op.strip() == "View":
+			view_op = str(input("View all or View number or View email or View names: "))
+			if view_op.strip() in [ "View all", "view all", "view All", "View all", "all" ]:
+				print(view_all())
+				print(" ")  
+				continue
+
+			elif view_op.strip() in [ "View number", "view number", "view Number", "View Number", "number" ]:
+				print(view_number())	
+				print(" ")  
+				continue	
+
+			elif view_op.strip() in [ "View email", "view email", "view Email", "View Email", "email" ]:
+				print(view_email())
+				print(" ")  
+				continue
+
+			elif view_op.strip() in [ "View names", "view names", "view Names", "View Names", "names" ]:
+				print(view_names())
+				print(" ")  
+				print(number_contacts())
+				print(" ")  
+				continue	
+
+			else:
+				print("Invalid Input for View menu.")
+				print(" ")  
+				continue
+
+		else:
+			print("Invalid Input. Try again!")
+			print(" ")  
+			continue
+
+	elif start_or_end.strip() == "End":
+		print("=========================Program Ended=========================")
+		break
+
+	else:
+		print("Invalid Input. Try again!")
+		print(" ")  
+		continue