How To Add To A Dictionary Python?

Python word reference is one of the implicit information types. Word reference components are key-esteem sets. You can add to word reference in Python utilizing various techniques. How about we investigate a portion of the various ways of adding things to a current Python word reference.

Python add to Dictionary utilizing “=” task administrator

We don’t have a particular Python method for refreshing a word reference. To add another key to the word reference, then, at that point, you can utilize the task administrator with the word reference key.

This is essentially equivalent to allotting another worth to the word reference. Since Python word references are impermanent, when you utilize the task administrator, you’re essentially adding new keys to the datastructure.

dict[key] = esteem

Whenever a key as of now exists in the word reference, the task administrator will naturally refresh the qualities.

How about we investigate a showing underneath to perceive how this turns out. Assuming there is a current key, the task administrator will overwrite the qualities consequently.

d = {‘a’: 1, ‘b’: 2}


d[‘a’] = 100 # existing key, so overwrite

d[‘c’] = 3 # new key, so add

d[‘d’] = 4



{‘a’: 1, ‘b’: 2}

{‘a’: 100, ‘b’: 2, ‘c’: three dimensional’: ‘4}

Add esteems to a word reference utilizing the update() technique

The Python word reference offers an update() technique that permits us to add a word reference to another word reference. The update() strategy consequently overwrites the upsides of any current keys with the new ones. So ensure that you don’t inadvertently overwrite any valueable snippet of data here.

We should perceive how we can utilize the word reference update() technique to add new qualities to our word reference:

blog = {‘Website’:’Journaldev’, ‘tutorial’:’Append to Python dictionary’}

print(“Here are the current subtleties: “, blog)

# Adding the creator subtleties to the word reference

blog.update({‘Author’:’Pankaj Kumar’})

print(“Updated word reference is: “, blog)

# Adding another word reference

visitors = {‘Guest1′:’Meghna’}


print(“Updated word reference is: “, blog)

How about we investigate how the update() technique attempts to add new things to a Python word reference:

Here are the current subtleties: {‘Website’: ‘Journaldev’, ‘instructional exercise’: ‘Attach to Python dictionary’}

Refreshed word reference is: {‘Website’: ‘Journaldev’, ‘instructional exercise’: ‘Attach to Python word reference’, ‘Creator’: ‘Pankaj Kumar’}

Refreshed word reference is: {‘Website’: ‘Journaldev’, ‘instructional exercise’: ‘Attach to Python word reference’, ‘Creator’: ‘Pankaj Kumar’, ‘Guest1’: ‘Meghna’}

Add things to Python word reference without overwriting

Notice how both the techniques consequently overwrite any current worth assuming the key is available. Assuming you realize that your program might wind up having copy keys, it’s ideal to add a contingent attach rather than straightforwardly annexing the qualities.

You can do a similar utilizing an if condition here to guarantee that the keys inside the word reference are not overwritten.

Here is a straightforward illustration of how you can make this work. You can likewise decide to utilize the attempt get exemption notwithstanding, utilizing an on the off chance that condition will be the most straightforward one to begin with.

on the off chance that ‘c’ not in d.keys():

    d[‘c’] = 300

on the off chance that ‘e’ not in d.keys():

    d[‘e’] = 5



{‘a’: 100, ‘b’: 2, ‘c’: three dimensional’: ‘4, ‘e’: 5}

Notice that ‘c’ esteem isn’t changed as a result of the if condition.


That is supportive of adding keys to a word reference in python.

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