You may have seen an import statement from . import your_module with the dot after the from keyword: What Does the Dot Mean? In Python, modules are defined in packages. If you want to import a certain module within a package that may be hierarchically structured, you need to specify the path of your module. … Read more
To check your TensorFlow version in your Jupyter Notebook such as Google’s Colab, use the following two commands: import tensorflow as tf This imports the TensorFlow library and stores it in the variable named tf. print(tf.__version__) This prints the installed TensorFlow version number in the format x.y.z. The following code example uses the dunder attribute … Read more
What is the NumPy Library? NumPy is a Python library that allows you to perform numerical calculations. Think about linear algebra in school (or university) – NumPy is the Python library for it. It’s about matrices and vectors – and doing operations on top of them. Get Version Number with np.__version__ To check the NumPy … Read more
What is the Pandas Library? The pandas library provides data structures and functionality to represent and manipulate labelled and tabular data. Think of it as like an advanced spreadsheet program in your code with functionality including—but not limited to: creating spreadsheets, accessing individual rows by name, calculating basic statistics over rows and columns, and summing … Read more
Problem Formulation: Given a file yourPackage.whl that resides in the folder C:\your\folder\. How to install it on your Windows machine? Background .whl Files A .whl file (read: wheel file) is a zip archive that contains all the files necessary to run a Python application. What is a wheel? It’s a built-package format for Python, i.e., … Read more
Problem Formulation: Given a PyCharm project. How to install a library in your project within a virtual environment or globally? Solution that always works: Open File > Settings > Project from the PyCharm menu. Select your current project. Click the Python Interpreter tab within your project tab. Click the small + symbol to add a … Read more
Problem Formulation: Given a PyCharm project. How to install the pandas library in your project within a virtual environment or globally? Solution that always works: Open File > Settings > Project from the PyCharm menu. Select your current project. Click the Python Interpreter tab within your project tab. Click the small + symbol to add … Read more
What is the exec() Function exec() is a built-in Python function that is most commonly used to dynamically execute code, either as a string or object code. To properly understand how we can use exec() to import libraries and modules we need to familiarize ourselves with the syntax of the function itself, as it becomes relevant later: … Read more
This is a chapter draft of our book Python Dash with NoStarch: Why an IDE Using an integrated development environment (IDE) has the potential to significantly accelerate your programming productivity. Many programmers do not unlock their full potential until they finally decide to switch from a simple code editor to an IDE—and mastering the advanced … Read more
PIL is an abbreviation of Python Imaging Library and it adds image processing to Python. In 2011, PIL has been discontinued—its unofficial successor framework Pillow for image processing is an actively maintained and user-friendly alternative in Python 3. Alternatively, you may use any of the following commands to install pillow, depending on your concrete environment. … Read more