Q31. How do you get a list of all the keys in a dictionary?
In Python, you retrieve dictionary keys using the **`.keys()`** method or by converting the dictionary directly to a `list`: ```python user = {'id': 101, 'username': 'ale...
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Q32. How do you reverse a list?
Using the reverse() method. ```python >>> a.reverse() ``` >>> a [4, 3, 2, 1] You can also do it via slicing from right to left: ```python >>> a[::-1] ``` >>> a [1, 2, 3, ...
Q33. How will you convert a list into a string?
We will use the join() method for this. ```python >>> nums=['one','two','three','four','five','six','seven'] ``` >>> s=' '.join(nums) ```python >>> s ``` o/p= 'one two th...
Q34. How will you remove a duplicate element from a list?
Removing duplicates from a Python list can be achieved through several methods depending on whether you need to preserve original element order: ### 1. Using `dict.fromke...
Q35. Difference between the append() and extend() methods of a list.
The methods append() and extend() work on lists. While append() adds an element to the end of the list, extend adds another list to the end of a list. Let's take two list...
Q36. Is there a way to remove the last object from a list?
Yes, there is. Try running the following piece of code- ```python >>> list=[1,2,3,4,5 ``` >>> list.pop(–1) 5 ```python >>> list ``` [1, 2, 3, 4]