Changing Items in a Dictionary in Python: A Quick Guide

Learn how to update the value of an item in a Python dictionary by referencing its key. This guide provides step-by-step examples to help you modify dictionary entries effectively.



Change Dictionary Items

You can change the value of a specific item in a dictionary by referring to its key name:

Example

thisdict = {
  "brand": "Ford",
  "model": "Mustang",
  "year": 1964
}
thisdict["year"] = 2018
print(thisdict["year"])
Output

2018

Update Dictionary

The update() method will update the dictionary with the items from the given argument.

Example

thisdict = {
  "brand": "Ford",
  "model": "Mustang",
  "year": 1964
}
thisdict.update({"year": 2020})
print(thisdict)
Output

{'brand': 'Ford', 'model': 'Mustang', 'year': 2020}