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Found 10480 Articles for Python

2K+ Views
In Python, sharing common data such as constants, configuration settings or shared resources among multiple files is a routine task in modular application development. The data will be centralized in a dedicated module which allows it to be maintained in one place and imported wherever needed. Before proceeding with various approaches to share data among multiple Python files, first we need to understand what is a module and what is shared data. What is a Module? A Module is a Python file (.py) that contains definitions such as variables, functions, classes or runnable code. By placing shared data in its ... Read More

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In most of the applications, especially in data processing, software development or testing, it is required to compare two files to detect changes, validate outputs or find discrepancies. Python offers several ways to compare files which ranges from basic line-by-line comparisons to more advanced diff utilities. Following are the key methods which are used to compare two files in python - Line-by-line comparison: This is a straightforward approach to textual differences. difflib module: This module is used to produce human-readable diffs similar to Unix’s diff command. filecmp module: This module is used for quick binary or shallow comparisons. ... Read More

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Venturing further into the realm of Python programming, you'll undoubtedly encounter scenarios where executing a Python file from within the Python shell becomes essential. This capability endows you with the power to test, run, and interact with your Python scripts seamlessly without exiting the Python environment. Within this article, we shall discuss some distinct methods to execute Python files within the Python shell, each offering its unique functionalities and adaptability, facilitating seamless interaction with your Python scripts. As a Python coding expert, I would walk you through each method with step-by-step explanations and examples in a lucid style that is ... Read More

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In Python, there are two ways to provide input information to a program. One in which we directly assign input objects to object references/variables; and the other in which the program takes user input dynamically (during runtime). Python 2.x versions use raw_input() function to take user input dynamically; whereas, Python 3.x versions use input() function. The input() function only takes input values in the form of strings, by default. In this article, we will learn how to read the input as “Numbers” in Python 3.x using input() function. Reading Inputs as Numbers Python, like any other programming languages, accepts two ... Read More

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Python is a high-level programming language that helps users to run a program and integrate systems more efficiently, as it executes a program in comparatively fewer lines of code. In Python programming language, a code can be executed in two ways - Interactive Mode Script Mode In this article, we will learn how to execute a Python program in script mode on Windows. However, the steps are almost the same for other operating systems.Python Script Mode Script mode in Python allows us to write Python code in files with the .py extension and run the entire program at ... Read More

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Python is a high-level programming language that helps a user to run a program and integrate systems more efficiently, as it executes a program in comparatively fewer lines of code. In Python programming language, a code can be executed in two ways - Interactive Mode Script Mode In this article, we will learn how to execute Python code in Interactive mode in Windows. However, the commands are almost the same in other operating systems as well. Interactive Mode Interactive mode in Python is a built-in feature that allows users to execute Python commands one line at a time. ... Read More

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The command line is the place where executable commands are given to the operating system. In Python, command-line arguments allow users to pass information to a script when it's executed from the terminal. A Python script can be executed by writing its name in front of the Python executable on the command line. Following is the example command which executes the Python file named sample.py - python sample.py If we need to pass arguments to a script, we can pass them at the time of execution, separating them by a space as shown below - python test.py Hello TutorialsPoint Python ... Read More

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In Python, both single quotes (') and double quotes (") are used to define string literals, and they function in the same way. For example, if a string contains a single quote character, like in a contraction, i.e., it’s by using double quotes avoids the need for escape characters by making the code cleaner and easier to read. Similarly, single quotes can be useful when a string contains double quotation marks. Single Quotes in Python Single quotes are used to wrap small and short strings in Python, such as string literals or identifiers. We must remember that using single quotes ... Read More

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A statement is a logical instruction in Python that the Python interpreter can read and execute. It could be an expression or an assignment statement in Python. Python's assignment statement is fundamental. It specifies how an expression generates and stores objects. In a simple assignment, we create new variables, assign values to them, and alter them. To maintain the value of the expression, this statement supplies an expression and a variable name as a label. Following is the syntax of using the statement in python − variable = expression Creating Multi-Line Statements in Python Statements in Python are often ... Read More

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To run a Python file in a directory, we generally use the Python or python3 command. However, it only runs a single file at a time. But executing one file each on a shell script seems hectic. Therefore, we must come up with a way to execute all files present in a directory simultaneously. In this article, let's go through the different methods to run all the Python files in a directory at a time. Using subprocess Module Using exec() function Using shell scripts Using multiprocessing Using subprocess.run() The subprocess ... Read More