how to delete a key in dictionary python

title: deleting a key in a dictionary in python - a step-by-step tutorial
introduction:
dictionaries in python are versatile data structures that allow you to store key-value pairs. at times, you might need to remove a specific key along with its associated value from a dictionary. in this tutorial, we will explore various methods to delete a key in a dictionary in python, along with code examples.
method 1: using del keyword
the del keyword in python is a general-purpose tool for deleting objects. to remove a key from a dictionary, you can use del followed by the dictionary name and the key you want to delete.
output:
method 2: using pop() method
the pop() method allows you to remove a key and retrieve its value simultaneously. if the key is not found, it raises a keyerror unless a default value is specified.
output:
method 3: using popitem() method
if you want to remove the last item added to the dictionary, you can use the popitem() method. this method removes and returns an arbitrary (key, value) pair as a tuple.
output:
conclusion:
deleting a key from a dictionary in python can be achieved using various methods. choose the method that best fits your specific use case, whether you need to retrieve the removed value or if you want to remove the last item added to the dictionary.
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