What does python 3s dictionary update () method do?
DescriptionThe method update() adds dictionary dict2's key-values pairs in to dict. This function does not return anything. Show
SyntaxFollowing is the syntax for update() method − dict.update(dict2) Parametersdict2 − This is the dictionary to be added into dict. Return ValueThis method does not return any value. ExampleThe following example shows the usage of update() method. #!/usr/bin/python3
dict = {'Name': 'Zara', 'Age': 7}
dict2 = {'Sex': 'female' }
dict.update(dict2)
print ("updated dict : ", dict)
ResultWhen we run above program, it produces the following result − updated dict : {'Sex': 'female', 'Age': 7, 'Name': 'Zara'}
python_dictionary.htm View Discussion Improve Article Save Article View Discussion Improve Article Save Article Python Dictionary update() method updates the dictionary with the elements from another dictionary object or from an iterable of key/value pairs.
Python Dictionary update() ExampleExample #1: Update with another DictionaryPython3
Output: Original Dictionary:
{'A': 'Geeks', 'B': 'For'}
Dictionary after updation:
{'A': 'Geeks', 'B': 'Geeks'}Example #2: Update with an iterablePython3
Output: Original Dictionary:
{'A': 'Geeks'}
Dictionary after updation:
{'C': 'Geeks', 'B': 'For', 'A': 'Geeks'}Example #3: Python dictionary update value if the key existsPython3
Output: Key exist, value updated = 600
{'m': 600, 'n': 100, 't': 500}What does Python 3's dictionary update () method do?The method update() adds dictionary dict2's key-values pairs in to dict. This function does not return anything.
How does update () in Python work?Python Set update() Method
The update() method updates the current set, by adding items from another set (or any other iterable). If an item is present in both sets, only one appearance of this item will be present in the updated set.
What does dict update mean?The dict. update() method updates the dictionary with the key-value pairs from another dictionary or another iterable such as tuple having key-value pairs.
Which method in dictionary is used to update the dictionary items?update() method updates the dictionary with elements from a dictionary object or an iterable object of key/value pairs.
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