Update app.py

Author: josemoracard

exercises/016-century/app.py

@@ -1,10 +1,7 @@
-#Complete the function to return the respective number of the century
-#HINT: You may need to import the math module.
-
+# Complete the function to return the respective number of the century
 def century(year):
   return None
 
 
-
-#Invoke the function with any given year. 
-print(century())
+# Invoke the function with any given year
+print(century())