I have also tried to cover things about Python packages, python modules and key python library likeNumPywhich is very popular on Data Science and Data Analysis space. Though, I have not covered bothDjangoandFlaskwhich are also quite important for web development in Python, may be I can add ...
What are the main data structures in Python?50 XP List methods100 XP Operations on sets50 XP Storing data in a dictionary100 XP What are common ways to manipulate strings?50 XP String indexing and concatenation100 XP Operations on strings100 XP Fixing string errors in a DataFrame100 XP How ...
What’s a Python List Exactly? Lists are one of the four built-in data structures in Python, together with tuples, dictionaries, and sets. They are used to store an ordered collection of items, which might be of different types but usually they aren’t. Commas separate the elements that...
50. What are some primitive data structures in Python? What are some user-defined data structures?The built-in data types in Python include lists, tuples, dictionaries, and sets. Python already defines and supports these data types and act as containers for grouping data by type. User-...
Check out our Data Structures Interview Questions and Answers video designed especially for beginners: 6. How does binary search work? Binary search is used when there is primarily a criterion of efficiency. It involves working on the already ordered data, which is sorted either in ascending or ...
1. What is Pandas in Python? Pandas is a powerful open-source data analysis and manipulation library for Python. It provides data structures like Series and DataFrame for handling structured data, making tasks like data cleaning, transformation, and visualization straightforward and efficient. Pandas ...
Python Interview Questions for Freshers 1. What is __init__? 2. What is the difference between Python Arrays and lists? 3. Explain how can you make a Python Script executable on Unix? 4. What is slicing in Python? 5. What is docstring in Python? 6. What are unit tests in Python...
4. What are Python’s built-in data structures? Answer: List:Ordered, mutable collection of elements. Tuple:Ordered, immutable collection. Set:Unordered, unique elements. Dictionary:Key-value pairs. Example: my_list = [1, 2, 3] my_tuple = (1, 2, 3) ...
Series: 1D labeled data DataFrame: 2D tabular data Integration: Works with NumPy Indexing: Rich support Also read: 4 Built-in Data Structures in Python: Dictionaries, Lists, Sets, Tuples 3. How do you create a Series in pandas? This question tests your hands-on knowledge of pandas basics....
Python offers a rich ecosystem of libraries for data science, each serving different purposes: NumPy:Provides support for large, multi-dimensional arrays and matrices, along with a collection of mathematical functions to operate on these arrays. ...