How-to articles, tricks, and solutions about PYTHON

To get the class name of an instance in Python, you can use the __class__ attribute of the object.

You can use the enumerate() function along with max() or min() to get the index of the maximum or minimum item in a list in Python.

You can use the datetime module in Python to get the current date in the YYYY-MM-DD format.

There are many hidden features of Python, some of which are not well-known even among experienced Python programmers.

iloc and loc are both used to select rows and columns from a Pandas DataFrame, but they work differently.

Lambdas, also known as anonymous functions, are useful in Python because they allow you to create small, one-time use functions without having to define them with a full function statement.

You can use the os module in Python to access environment variables.

To add a new key-value pair to a dictionary in Python, you can use the update() method or simply assign a value to a new key using square brackets [].

You can use the isnan() function provided by the math module to check if a value is NaN.

To compare two lists and return the matches, you can use the built-in intersection() method of the set data type.

To delete a file or folder in Python, you can use the os module and call the os.remove() function to delete a file, or the shutil.rmtree() function to delete a folder and all its contents.

To delete all local Docker images, you can use the following command:

In Python, you can use the "" character to indicate a line continuation.

To find where Python is installed on Windows, you can follow these steps:

To flush the output of the print function, you can use the flush parameter of the print function.

You can use the .at or .iat methods to get the value of a specific cell in a DataFrame.

You can use the values() method to get a list of values from a dictionary:

There are a few different ways to concatenate two lists in Python without modifying either one.

You can use the importlib.import_module function to import a module dynamically given the full path to the module.

To install packages using pip from a local directory, you can use the -r option to specify the path to the requirements.txt file.

You can use the os module in Python to iterate over files in a given directory.

You can use the zip function to create a dictionary from separate lists of keys and values like this:

One way to make a Python script standalone executable is by using the package pyinstaller.

To run one Python file from another, you can use the exec function or the subprocess module.

You can open multiple files using "with open" in Python by using multiple with open statements, one for each file you wish to open.