Visualize your Python code while you type it in PyCharm, Emacs, Sublime Text, or even your browser. Live coding tightens the feedback loop between making a change to your code and seeing the behaviour ...

print(dict.get('rahul','Key not found')) #it gives 'Key not found' as output because rahul is not present in the dictionary keys={'arnav','sahil','alok'} values={1,2 ...