September to December

• Problem Description

  
  The length of a month varies from 30 and 31 days. 
  
  In this exercise you will create a program that reads the name of a month from the user as a string. 
  
  The program should get input from September to December.I
  
  If the input is from may to other months then display error messages as "Invalid"
  
  Note:
  Use only if and elif

• CODING ARENA

• month=input()

  if(month=="Sep"):

      print("30")

  elif(month=="Nov"):

      print("30")

  elif(month=="Oct","Dec"):

      print("31")

  else:

      ("Invalid")

• 
  

• Test Case 1

  
  Input (stdin)

  Sep
  
  

  Expected Output

  30

• Test Case 2

  
  Input (stdin)

  Oct
  
  

  Expected Output

  31