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By the end of this module you can do everything below. The objectives and their wording come from the official PCEP-30-03 syllabus.

3.4.1 Construct, modify, and process dictionary data

  • Create empty and populated dictionaries containing key-value pairs.
  • Access dictionary values using keys, and use the in and not in operators to determine whether a key exists.
  • Add new key-value pairs and update values associated with existing keys.
  • Remove key-value pairs.
  • Iterate through dictionaries, including their keys, values, and key-value pairs using the keys(), values(), and items() methods.