In Python dictionaries, you don’t use the term “append” like you would with lists. Instead, you add a new key-value pair to a dictionary. Here’s how you can add key-value pairs to a dictionary, along with a description: Adding a Key-Value Pair to a Dictionary: You can add a new key-value pair to a dictionary…
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A dictionary in Python is a mutable, unordered collection of key-value pairs, where each key must be unique. Dictionaries are useful for storing and retrieving data efficiently based on a specific key. Here is the syntax and an example of using dictionaries in Python: Syntax: Example: Dictionaries provide a flexible and efficient way to…
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A tuple in Python is an immutable, ordered collection of elements. Once a tuple is created, you cannot change its values or length. Here are various operations you can perform with tuples: 1. Creating a Tuple: You can create a tuple using parentheses (). 2. Packing and Unpacking: Packing: Assigning multiple values to a single…
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Running Python scripts involves executing the code stored in a Python file. Here is a step-by-step guide on how to run Python scripts: 1. Create a Python Script: Open your preferred text editor and write your Python code. Save the file with a .py extension, which is the standard extension for Python scripts. Example: myscript.py…
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Checking the Python version can be done using the command line or terminal on Linux, Mac, and Windows. Here are the steps for each operating system: On Linux: Open a terminal and use the following command: Or This will display the installed Python version. On Mac: Open the terminal and enter one of the following…
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Escape characters in Python are used to represent characters that are difficult to type directly, such as special characters, control characters, or characters with specific meanings. These escape characters are represented by a backslash (\) followed by a character or sequence of characters. Here are some common escape character sequences in Python: 1. Newline (\n):…
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In Python, defining or declaring string variables is a straightforward process. Here’s how you can define string variables: 1. Explicit Declaration: 2. Implicit Declaration: In Python, you don’t need to explicitly declare the variable type. Python is dynamically typed, meaning you can assign values to variables without specifying their type. 3. Concatenation: You can concatenate…
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Python print() Statement: Printing Examples In Python, the print() statement is a fundamental function used for displaying messages on the screen. This versatile function can be applied to print strings, objects, or a combination thereof. Here are several examples to illustrate the usage of the print() statement: 1. Printing a Simple String: Output: 2. Printing…
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Python Programming Basics for Beginners 👉 Lesson 1 Install Python IDE — How to Install Python on Windows [Pycharm IDE] 👉 Lesson 2 Python Hello World — Create Your First Python Program 👉 Lesson 3 Python print() Function — How to Print in Python with Examples 👉 Lesson 4 Python Variables — How to Define/Declare String Variable Types 👉 Lesson 5 Escape Character Sequences —…
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Creating Your First Program Step 1: Launch the PyCharm Editor, where an introductory screen awaits you. To initiate a new project, simply click on “Create New Project.” Step 2: You’ll be prompted to choose a location for your project. Feel free to keep the default location or select a new one. It’s advisable to rename…
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