Update app.py

Author: josemoracard

exercises/08-Function-that-returns/app.py

@@ -1,7 +1,7 @@
 def dollar_to_euro(dollar_value):
-	return dollar_value * 0.89
+	return dollar_value * 0.91
 
 def euro_to_yen(euro_value):
-	return euro_value * 124.15
+	return euro_value * 161.70
 
-####### ↓ YOUR CODE BELOW ↓ #######
+####### ↓ YOUR CODE BELOW ↓ #######