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Questions and Answers
What is the purpose of a for loop in Python?
What is the purpose of a for loop in Python?
Which Python statement is used to handle exceptions?
Which Python statement is used to handle exceptions?
What is the purpose of a while loop in Python?
What is the purpose of a while loop in Python?
Which Python statement is used to create a decision point in your code?
Which Python statement is used to create a decision point in your code?
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What is the purpose of object serialization (pickling) in Python?
What is the purpose of object serialization (pickling) in Python?
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What is the purpose of JSON serialization in Python?
What is the purpose of JSON serialization in Python?
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What is the purpose of object serialisation in Python?
What is the purpose of object serialisation in Python?
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Which Python module is used for object serialisation involving converting objects into byte strings?
Which Python module is used for object serialisation involving converting objects into byte strings?
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What does JSON stand for in the context of data format?
What does JSON stand for in the context of data format?
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Which Python feature allows you to easily convert Python objects to JSON?
Which Python feature allows you to easily convert Python objects to JSON?
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How do pickling and unpickling differ in Python?
How do pickling and unpickling differ in Python?
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Study Notes
Understanding Python
Python is an interpreted, object-oriented, high-level programming language known for its ease of use and readability. It has gained widespread popularity due to its versatility, allowing it to be used in various applications such as data science, software development, web building, scripting, automation, machine learning, and many other domains. Here are some key aspects that make Python a powerful tool for programming:
Loops
Python provides several types of loops to handle repetitive tasks. The most common ones include the for loop and the while loop. The for loop iterates over each element of an iterable, while the while loop continues execution until a specified condition is met. Both types of loops can be used to perform operations multiple times.
Exception Handling
Exception handling is crucial in any programming language, especially when dealing with complex logic or user inputs. Python offers built-in classes like try, except, else, and finally to catch exceptions and provide appropriate responses. This allows developers to anticipate potential errors and gracefully handle them within their code.
Selection Statements
Selection statements help control the flow of your program based on different conditions. They allow you to test if a certain condition is true or false, then execute specific instructions accordingly. In Python, you can use conditional expressions to create these decision points in your code.
Object Serialisation: Pickling and Unpickling
Serialisation in Python involves converting complex data structures into simpler formats for storage or transmission. It's often used when working with large datasets or performing network communication. The pickling and unpickling process in Python enables you to convert objects into byte strings using the pickle module, which you can later reconstruct back into their original form using the unpickle module.
JSON Serialisation
JSON (JavaScript Object Notation) is a lightweight data format with a simple structure, making it an ideal choice for data storage and exchange. Python provides built-in support for JSON, allowing you to easily convert Python objects to JSON and vice versa. This makes JSON serialisation a popular choice for creating APIs or interfaces between different systems.
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Description
Explore essential concepts and features of Python programming language, including loops, exception handling, selection statements, object serialisation (pickling and unpickling), and JSON serialisation. Enhance your understanding of Python's versatility and power in various domains.
