#Dictionary is a special structure which allows us to store info in key value pairs.
#Once a pair is created, we can access specific values using the appropriate keys.

#<Dictionary> = {
#   key:value...
#}

##We want to convert a 3 digit month name to the full name.
month_Conversions = {
      "Jan":"January",
      "Feb":"February",
      "Mar":"March",
      "Apr":"April",
      "May":"May",
      "Jun":"June",
      "Jul":"July",
      "Aug":"August",
      "Sep":"September",
      "Oct":"October",
      "Nov":"November",
      "Dec":"December",
}
#MI
print(month_Conversions["Nov"])

#MII
print(month_Conversions.get("Jan"))
#For invalid keys, we get None returned.
print(month_Conversions.get("Fan"))
#or
print(month_Conversions.get("Fab","Not a valid key"))
