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Python LanguageDictionary


  • mydict = {}
  • mydict[k] = value
  • value = mydict[k]
  • value = mydict.get(k)
  • value = mydict.get(k, "default_value")


keyThe desired key to lookup
valueThe value to set or return


Helpful items to remember when creating a dictionary:

  • Every key must be unique (otherwise it will be overridden)
  • Every key must be hashable (can use the hash function to hash it; otherwise TypeError will be thrown)
  • There is no particular order for the keys.