May 10, 2023, 5:23 p.m. | Yaswanth K N

DEV Community dev.to


  • Dictionary is a data structure in python where data is stored as a key:value pair.

  • Python dictionary is a ordered data structure since Python 3.7 i.e it will remember the order of insertion.

  • Python dictionaries are mutable, we can change the value of a given key at any point of time.

  • Dictionaries do not allow duplicate keys, since it uses hashing concept to store keys.

  • Getting a value using key is a constant time operation O(1)





Dictionary Methods



  • Given …

change data dictionary duplicate python python 3 value

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