How Can I Explicitly Free Memory in Python?
This article guides you on how to free memory space explicitly in Python.
Operating System
How Do I List All Files of a Directory in Python?
Problem: Given a directory. How to list all the files in the directory using Python? Video Solution What is a directory?A directory is a unit organizational structure used to store a collection of programs and subdirectories. Sometimes as a coder you have to deal with the countless number files within different directories. Hence, it becomes … Read more
Python Version Bit – Does My Python Shell Run 32 Bit or 64 Bit Version?
To check which bit version the Python installation on your operating system supports, simply run the command “python” (without quotes) in your command line or PowerShell (Windows), terminal (Ubuntu, macOS), or shell (Linux). This will open the interactive Python mode. The first line provides information whether it’s a 32 bit or 64 bit version. Alternatively, … Read more
Python Version Anaconda
Open Terminal: On Windows, start Anaconda by searching for “Anaconda Prompt” and click the first result. On Linux and macOS, just open the terminal or shell. Then run either of the following commands, depending on what you want to do. Python Anaconda Version: To check your Python version in Anaconda, run python -V or python … Read more
Python Print Without Extra Newline When Reading a File
Problem Formulation Given a file with name file.txt and the following content: hi finxters! 🙂 You created a Python script that reads the file line-by-line and prints each line to the shell like so: But the output unexpectedly adds an extra newline to each line so you obtain the following output on the Python shell: … Read more
Python Print Without Space
Problem Formulation Python’s print() function allows an arbitrary number of comma-separated values and prints them to the shell, separated by a single empty space character ‘ ‘. The following example shows how you pass four string values as arguments into the print() function: The resulting shell output has an added empty space character ‘ ‘ … Read more
How to Serialize a Python Dict into a String and Back?
Problem Formulation Given a Python dictionary containing lists and other data structures. You want to store the dictionary in a file or send it over the network in a more efficient form. How to serialize a Python dictionary into a string, and then deserialize the string back to a dictionary data structure? Here’s a rough … Read more
How to Find the Path of an Executable in Python?
Python’s shutil.which(cmd) function returns the path to the executable that would run if you called cmd in the command line. If there is no such executable, it returns None. The shutil module is part of the standard library, so you only need to add the statement “import shutil” to your program without needing to install … Read more
How To Execute System Commands With Python?
[toc] In this article, we will learn numerous ways to execute system commands in Python. ➥ Problem: Given an external command that can run on your operating system, how to call the command using a Python script? ➥ Example: Say you want to ping a remote server using your operating system’s ping command—all from within your Python program. … Read more
Python Delete File [Ultimate Guide]
Python Delete File To delete a file in Python, import the os module with import os and run os.remove(filename) in your script. The following code removes the file ‘file.dat’ from the current folder assuming the Python script resides in the same directory: Python Delete Files in Folder To delete a folder or directory with all … Read more
How to Open Python .py Files in IDLE with a Doubleclick?
I love tweaking my coding workflow. Small improvements accumulate over time and can lead to a massive productivity increase. Today, I caught myself being annoyed that I always needed to spend three clicks or so just to open a Python file in IDLE, the default Python editor on Windows. Time to change that! Do you … Read more
How to Find Path Where Python is Installed on Windows?
Windows normally installs Python on one of the two locations: C:\Python39 C:\Users\YourUser\AppData\Local\Programs\Python\Python39 For me, it’s the latter. For you, it may be different—this article shows you how to check for yourself! 🙂 For your convenience, I’ve made a short gif that shows how I rushed through the code on my Windows machine: Before you start, … Read more