done

04-matrix-sort/row_col_sort.py

@@ -21,7 +21,7 @@ def matrix_sum(matrix):
 
 	return row_sum, col_sum
 
-def sort_row(matrix):
+def matrix_sort_row(matrix):
 	row_sum, col_sum = matrix_sum(matrix)
 	out = []
 
@@ -30,7 +30,7 @@ def sort_row(matrix):
 
 	return out;
 
-def sort_col(matrix):
+def matrix_sort_col(matrix):
 	row_sum, col_sum = matrix_sum(matrix)
 	out = []
 	places = sorted( [i for i in enumerate(col_sum)], key=lambda x:x[1])

8-credit-card-validator/credit-card.py

@@ -1,14 +1,15 @@
 class CreditCard:
 	card_types = [
-		('4', 'VISA'),
-		('34', 'AMEX'),
-		('37', 'AMEX'),
-		('51', 'MASTERCARD'),
-		('52', 'MASTERCARD'),
-		('53', 'MASTERCARD'),
-		('54', 'MASTERCARD'),
-		('55', 'MASTERCARD'),
-		('6011', 'DISCOVER'),
+		# (starts with digits, card type, card length)
+		('4', 'VISA', 16),
+		('34', 'AMEX', 15),
+		('37', 'AMEX', 15),
+		('51', 'MASTERCARD', 16),
+		('52', 'MASTERCARD', 16),
+		('53', 'MASTERCARD', 16),
+		('54', 'MASTERCARD', 16),
+		('55', 'MASTERCARD', 16),
+		('6011', 'DISCOVER', 16),
 	]
 
 	@classmethod
@@ -23,21 +24,24 @@ class CreditCard:
 		return not bool(sum(digits) % 10)
 
 	def __init__(self, card_number):
-  		self.card_number = card_number
+		self.card_number = card_number
+		self.is_valid, self.card_type = self.__is_valid() or (False, 'INVALID')
 
-	@property
-	def card_type(self):
-		for start, type in self.card_types:
+	def __card_type(self):
+		for start, type, length in self.card_types:
 			if self.card_number.startswith(start):
-				return type
-		
-#Create and add your method called `check_length` to the CreditCard class here:
-	def check_length(self):
-		pass
 
-	@property
-	def is_valid(self):
-		return self.luna_check(self.card_number), self.card_type
+				return type, length
+	
+	def __is_valid(self):
+		card_type = self.__card_type()
+		if card_type:
+			length = len(self.card_number) == card_type[1]
+			luna = self.luna_check(self.card_number)
+			if length and luna:
+
+				return True, card_type[0]
+
 
 #Create and add your method called 'validate' to the CreditCard class here:
 
@@ -45,18 +49,18 @@ class CreditCard:
 
 
 
-# print(CreditCard.luna_check('4485040993287616'))
-cc = CreditCard('4485040993287616')
+# # print(CreditCard.luna_check('4485040993287616'))
+# cc = CreditCard('4485040993287616')
 
-print(cc.is_valid)
-exit(0)
+# print(cc.is_valid)
+# exit(0)
 
 #do not modify assert statements
 
 cc = CreditCard('9999999999999999')
 
-assert cc.is_valid == False, "Credit Card number cannot start with 9"
-assert cc.card_type == "INVALID", "99... card type is INVALID"
+assert(cc.is_valid == False)
+assert(cc.card_type == "INVALID")
 
 cc = CreditCard('4440')