How-to articles, tricks, and solutions about PYTHON
'pip' is not recognized as an internal or external command
This error message typically occurs when the command prompt or terminal is not able to find the pip executable.
"inconsistent use of tabs and spaces in indentation"
"Inkonsistente Verwendung von Tabs und Leerzeichen in Einrückung" is an error message that you may encounter when working with Python code.
"Large data" workflows using pandas
Here is an example of a workflow for handling large data using the pandas library:
"Least Astonishment" and the Mutable Default Argument
In Python, a default argument is an argument that assumes a default value if a value is not provided in the function call for that argument.
"pip install unroll": "python setup.py egg_info" failed with error code 1
Here is an example of a command that could cause the error you described:
"Unicode Error "unicodeescape" codec can't decode bytes... Cannot open text files in Python 3
This error occurs when trying to open a file that contains escape characters (such as \) in the file path, and the escape characters are not being properly interpreted by Python.
Accessing the index in 'for' loops
To access the index in a 'for' loop in Python, you can use the built-in 'enumerate' function.
Add a new item to a dictionary in Python
To add a new item (key-value pair) to a dictionary in Python, you can use the square brackets  or the update() method.
Adding a legend to PyPlot in Matplotlib in the simplest manner possible
Here is a simple code snippet that demonstrates how to add a legend to a PyPlot in Matplotlib: