Python and Pandas with Reuven Lerner

Python identifiers — rules and conventions

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Python standard library: Searching in strings

Stop using inplace=True in Pandas!

My new book, Pandas Workout, will make you more confident and fluent with Pandas

Data science with Python

What are the nlargest and nsmallest methods in Pandas? (And should you use them?)

Working my way through Pythons standard library

Basic grouping in pandas

Pythons assignment expression (walrus) operator: What, why, and how

Python standard library: Splitting strings with re.split

What Pandas users should know about NumPy 2.0 and dtypes

Python standard library: Reversing and sorting lists (list.reverse and list.sort)

Removing all pairs in a dict with a certain value

Ace Python Interviews: A free course to help you prepare for Python job interviews

import vs. from .. import in Python: Which uses more memory?

Scraping HTML tables into Pandas with read_html

Turning multiple CSV files into a single pandas data frame

Python and Unicode characters

Python standard library: Increase regular expression speeds with re.compile and re.finditer

Dont use Pythons max with NumPy and Pandas!

Python for non-programmers, lesson 3: Numbers

Python standard library: Encoding and decoding strings

Python standard library: dict.keys, dict.values, and dict.items

Finding substrings in Python

Python standard library: Formatting strings

Pivot tables with Pandas

Understanding with and Pythons context managers

Python standard library: The str.is* methods

Practice Makes Regexp: 50 exercises to improve your fluency with regular expressions

Ace Python Interviews: Mutable vs. Immutable

Python and exit codes

Bang! Unix shell magic inside of Jupyter

NaN vs. NA — understanding Pandas nullable types

Python standard library: Tuple methods (tuple.count and tuple.index)

Python standard library: list.index and list.count

Shallow vs. deep copies in Python

Five mistakes companies make teaching Python to their staff

Python f-strings: What they are, and how to use them

Python standard library: re.error exceptions

Interpolating missing values (NaN) in Pandas data frames

Python standard library: string.Formatter

Python standard library: string.Template

Understanding Unicode errors when opening Windows files

Comparing values in Pandas with diff and pct_change

Python standard library: Joining strings

Three ways to read CSV data into Python

Magic commands in Jupyter and IPython

Better Python input with Rich

Python standard library: Range objects

Improve your career with Python + data: Announcing PythonDAB cohort 4