Job Interview Questions and Answers Directory

Python Medium technical

Q21. What is the difference between List & Tuple in Python.?

LIST vs TUPLES LIST TUPLES Lists are mutable i.e they can be edited. Tuples are immutable (tuples are lists which can't be edited). Lists are slower than tuples. Tuples a...

#python #lists #tuples

1 Answer

Python Medium technical

Q22. What is the difference between Python Arrays and lists?

Arrays and lists, in Python, have the same way of storing data. But, arrays can hold only a single data type elements whereas lists can hold any data type elements. Examp...

#python #lists

1 Answer

Python Medium technical

Q23. How can you randomize the items of a list in place in Python?

Consider the example shown below: ```python from random import shuffle ``` x = ['Keep', 'The', 'Blue', 'Flag', 'Flying', 'High'] shuffle(x) print(x) The output of the fol...

#python #lists

1 Answer

Python Medium technical

Q24. What advantages do NumPy arrays offer over (nested) Python lists?

Python's lists are efficient general-purpose containers. They support (fairly) efficient insertion, deletion, appending, and concatenation, and Python's list comprehensio...

#python #lists

2 Answer

Python Medium technical

Q25. What is the output of slicing an index beyond list length in Python, and does it raise an error?

list = ['a', 'b', 'c', 'd', 'e'] print (list[10:]) The result of the above lines of code is []. There won't be any error like an IndexError. You should know that trying t...

#python #lists #exceptions

1 Answer

Python Medium technical

Q26. Is Python List A Linked List?

A Python list is a variable-length array which is different from C-style linked lists. Internally, it has a contiguous array for referencing to other objects and stores a...

#python #lists

0 Answer

Python Medium technical

Q27. What Is The Syntax For List Comprehension In Python?

The signature for the list comprehension is as follows: [ expression(var) for var in iterable ] For example, the below code will return all the numbers from 10 to 20 and ...

#python #lists #comprehensions

2 Answer

Python Medium technical

Q28. List Down Some Of The PDB Commands For Debugging Python Programs?

Here are a few PDB commands to start debugging Python code. Add breakpoint (b) Resume execution (c) Step by step debugging (s) Move to the next line (n) List source code ...

#python #lists

2 Answer

Python Medium technical

Q29. 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...

#python #lists #dictionaries

2 Answer

Python Medium technical

Q30. 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, ...

#python #lists

1 Answer