How to use list(),pop() and join() methods In Python

Using list Slicing to Remove the Last Element from the string

The slicing technique can also remove the last element from the string. str[:-1] will remove the last element except for all elements. Here we are using the concept of slicing and then updating the original string with the updated string....

Using loops and extra space to Remove the Last Element from the string

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Using rstrip() function to Remove the Last Element from the string

Here we are using some extra space i.e. O(N) and storing all the characters except for the last character....

Using regex to Remove Last Element from string

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Using list(),pop() and join() methods

The rstrip() is a Python function that returns a string copy after removing the trailing characters....

Using list comprehension and join method

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