Check if a Dictionary is Empty using bool()

Check if a Dictionary is Empty using not operator

The bool function can be used to perform this particular task. As the name suggests it performs the task of converting an object to a boolean value, but here, passing an empty string returns a False, as a failure to convert something that is empty.

Python3

# initializing empty dictionary
test_dict = {}
 
# printing original dictionary
print("The original dictionary : " + str(test_dict))
 
# using bool()
# Check if dictionary is empty
res = not bool(test_dict)
 
# print result
print("Is dictionary empty ? : " + str(res))

Output :

The original dictionary : {}
Is dictionary empty ? : True

Python | Check if dictionary is empty

Sometimes, we need to check if a particular dictionary is empty or not. In the web development domain in which we sometimes need to test for results of a particular query or check whether we have any key to add info into a database. Let’s discuss certain ways in which this task can be performed in Python.

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#Python dictionary-programs #Python #Python Programs #python

Check if a Dictionary is Empty using not operator

Check if a Dictionary is Empty using bool()

Python3

Python | Check if dictionary is empty

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