d={"January":31,"February":28,"March":31, "April":30, "May":31,
   "June":30, "July":31, "August":31, "September":30,"October":31, "November":30, "December":31}
print(d.keys())
a=input("Enter month name from the list")
if a in d:
    print("No. of days :",d[a])
