Skip to content Chad Hansen. Python Keywords: An Introduction . realpython, 6/2020.* David Amos. Numbers in Python . realpython, 9/2020. Wolf. Null in Python: Understanding Python’s NoneType Object . realpython, 2/2020. Leodanis Pozo Ramos. Python’s reduce(): From Functional to Pythonic Style . realpython, 6/2020.* Leodanis Pozo Ramos. Python eval(): Evaluate Expressions Dynamically . realpython, 5/2020.* Alex Ronquillo. How to Use any() in Python . realpython, 3/2020.* Bryan Weber. Python enumerate(): Simplifying Looping with Counters . realpython, 11/2020.* Moshe Zadka. Python Booleans: Optimize Your Code With Truth Values . realpython, 10/2020. John Sturtz. Namespaces and Scope in Python . realpython, 7/2020. Dan Bader. Python’s Instance, Class, and Static Methods Demystified . realpython. John Sturtz. Basic Input, output, and String Formatting in Python . realpython. Kyle Stratis. How to Use Generators and yield in Python . realpython.* James Timmins. When to Use a List Comprehension in Python . realpython. Davide Mastromatteo. Python args and kwargs: Demystified . realpython. Mike Driscoll. Python sleep(): How to Add Time Delays to Your Code . realpython. Jaya Zhane. Writing Comments in Python (Guide) . realpython. Bartosz Zaczynski. Your Guide to the Python print() Function . realpython. Geir Arne Hjelle. Python import: Advanced Techniques and Tips . realpython, 7/2020. John Sturtz. Python Program Lexical Structure . realpython. Variables John Sturtz. Variables in Python . Real Python.Covers variable assignment, types, object references and identity, variable naming, and reserved words. Strings Kyle Stratis. Splitting, Concatenating, and Joining Strings in Python . Real Python.Includes separators, maxsplit, and .join() in addition to above. Dan Bader. Python String Formatting Best Practices . Real Python.Covers four different methods of formatting strings including: % Operator, str.format, string interpolation / f-Strings, and template strings. Also provides direction on when to use each method. John Sturtz. A Guide to the Newer Python String Formatting Techniques . Real Python, 2/2020. John Sturtz. Strings and Character Data in Python . Real Python.Covers string manipulation (operations, built-in functions, indexing, slicing, interpolating variables, modifying strings, and built-in methods) as well as bytes Objects (defining, operations on, and bytearray Objects). Files James Mertz. Reading and Writing Files in Python (Guide) . Real Python.Covers paths, line endings, character encodings, opening and closing, text/binary/raw file types, iterating over lines, working with bytes, __file__, etc. Vuyisile Ndlovu. Working with Files in Python . Real Python.Covers “with open(…) as …”, directory listings, file attributes, creating directories, filename pattern matching, directory traversal, temporary files/dirs, deleting/copying/moving/renaming, archiving, etc. Jon Fincher. Reading and Writing CSV Files in Python . Real Python. Yong Cui. A Cheat Sheet on Reading and Writing Files in Python . betterprogramming, 1/2020. Shantnu Tiwari. Using Pandas to Read Large Excel Files in Python . Real Python. Conditionals / Branching / Iteration Operators Operators and Expressions Python Basic Data Structures Python 101: Learning About Lists . Python Library, 3/2020.*Dan Bader. Common Python Data Structures . Real Python, 8/2020.*Covers dictionaries, maps, hash tables, arrays (list, tuple, array.array, str, bytes, bytearray), records, structs, and data transfer objects, sets, multisets, stacks (LIFOs), queues (FIFOs), and priority queues. Pedro Pregueiro. Linked Lists in Python: An Introduction . Real Python, 4/2020. John Sturtz. Dictionaries in Python . Real Python. John Sturtz. Sets in Python . Real Python. John Sturtz. Basic Data Types in Python . Real Python.*Covers integers, floating-point numbers, complex numbers, strings (escape sequences, raw, and triple-quoted), boolean type/context/”truthiness”, and built-in functions for math, type conversion, iterables and iterators, composite data type, classes, attributes, inheritance, input/output, variables, references, and scope. Functions Map Loops OOP Strings Lambda Functions Releases Other