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Python tutorials and tips on the Academify blog. Learn programming with examples, exercises, and projects from basic to advanced

Python Ternary Operator: One-Line if

Learn how Python ternary operators work, when to use one-line if expressions, how to avoid nested logic, and how to

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Reading time: 8 minutes

Python Lambda: Short Functions and Callbacks

Learn Python lambda functions with clear examples, syntax, sorting, map, filter, closures, common mistakes, and when to prefer def.

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Reading time: 8 minutes

Python Environment Variables: Secrets and Config

Learn how to read environment variables in Python safely with os.getenv, .env files, python-dotenv, validation, secrets, and deployment tips.

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Reading time: 9 minutes

Python Type Hints: Annotate Functions and Data

Learn Python type hints with practical examples, function annotations, generics, Union, Optional, mypy, and best practices for cleaner code.

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Reading time: 9 minutes

Error Resolution

cProfile: Find Python Performance Bottlenecks

Learn how to use Python cProfile to find performance bottlenecks, read profiling reports, sort results with pstats, and optimize code

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Reading time: 10 minutes

Python return: Values, None, Multiple Returns

Learn how Python return works, how it differs from print, how to return multiple values, avoid None bugs, and write

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Reading time: 9 minutes

Advanced Python

Python Decorators: Wrap Functions Cleanly

Learn Python decorators with practical examples, wrappers, arguments, functools.wraps, class decorators, common use cases, and mistakes to avoid.

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Reading time: 8 minutes

Python *args and **kwargs: Flexible Arguments

Learn how Python *args and **kwargs work, when to use them, how unpacking works, and how to avoid common mistakes

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Reading time: 8 minutes