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Python: Remove a key from a dictionary

Python dictionary: Exercise-12 with Solution

Write a Python program to remove a key from a dictionary.

Sample Solution:-

Python Code:

myDict = {'a':1,'b':2,'c':3,'d':4}
print(myDict)
if 'a' in myDict: 
    del myDict['a']
print(myDict)

Sample Output:

{'a': 1, 'b': 2, 'c': 3, 'd': 4}
{'b': 2, 'c': 3, 'd': 4}

Pictorial Presentation:

Python Dictionary: Remove a key from a dictionary.

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Free up Memory:

  • Manual garbage collection can be performed on timely or event based mechanism.
import gc
collected_objects = gc.collect()