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Showing posts from April 17, 2023
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Python syntax

Python syntax Python is a popular programming language with a clear and concise syntax. Here are some of the basic syntax rules for Python: Comments: Use the '#' symbol to add comments in your code. Everything after the '#' symbol is ignored by the interpreter. Code # This is a comment Indentation: Python uses indentation to define code blocks. Use four spaces or a tab to indent code within a block. Code if x > 5: print("x is greater than 5") else: print("x is less than or equal to 5") Variables: Python does not require you to specify the data type of a variable. You can assign any value to a variable and Python will determine the data type automatically. Code x = 5 y = "Hello, world!" Operators: Python supports a wide range of operators, including arithmetic, comparison, logical, and assignment operators. Code # Arithmetic operators x + y x - y x * y x / y x % y # Comparison operators x == y x != y x > y x ...
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Introduction to python

Python is a high-level, general-purpose programming language that was first released in 1991. It was created by Guido van Rossum, and has since become one of the most popular programming languages in the world. Python is used for a variety of tasks, including web development, data analysis, artificial intelligence, and more. One of the reasons why Python is so popular is its simplicity. Python code is easy to read and write, making it an ideal language for beginners. Additionally, Python has a large community of developers who create libraries and modules that can be easily installed and used. Python is an interpreted language, meaning that it doesn't need to be compiled before it can be run. This makes it fast to develop and test code, and also makes it easy to use on a variety of platforms. Python is an object-oriented language, which means that it allows users to define and create their own classes and objects. This makes it ideal for creating reusable code and developing comple...
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Legal drinking age around the world

From hard liquor to hard seltzer, alcoholic beverages are an almost ubiquitous part of many modern cultures: wine with dinner, beer with friends on the weekend, celebratory champagne toasts, etc. However, because alcohol is a drug that can significantly affect a person's judgment and physical abilities, many countries age-restrict the consumption of alcoholic beverages. Effects of alcohol on the body In chemical terms, alcohol is an organic compound produced when grains, vegetables or fruits are allowed to ferment. Medically, alcohol is classified as a depressant (as opposed to stimulants like caffeine or hallucinogens like psilocybin) with a wide range of physiological effects. Most of these effects involve a reduction or inhibition of physical activity. For example, alcohol inhibits physical motor function and slows reaction time. Consequently, the more one drinks, the slower and more sluggish one becomes. Similarly, alcohol also inhibits the brain's communication pathways. T...
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Python - Output Variables

Output variables in Python refers to the process of displaying or printing the value of a variable to the console or output stream. This is a crucial aspect of programming as it allows developers to test and debug their code and also helps users to interact with the program. In Python, we can output variables to the console using the print() function. The syntax for using the print() function is straightforward: ``` variable_name = "Hello, World!" print(variable_name) ``` In this example, we have created a variable called `variable_name` and assigned it the value "Hello, World!". We then use the print() function to output the value of `variable_name` to the console. We can also output multiple variables using the print() function by separating them with commas. For example: ``` name = "John" age = 25 print("My name is", name, "and I am", age, "years old.") ``` In this example, we have created two variables called `name` and `a...
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Python - Global Variables

In Python, a global variable is a variable that is declared outside of any function and can be accessed by any function in the same module or file. Global variables can be useful for storing values that are needed by multiple functions within the same module or file. In Python, declaring a variable outside of any function is all that's needed to create a global variable: ``` # defining a global variable my_global_var = "Hello World" # Creating a function that utilizes the global variable: def print_global_var():     print(my_global_var) # calling the function print_global_var()  # output: "Hello World" ``` In the example above, `my_global_var` is a global variable that can be accessed by the function `print_global_var()` because it is defined outside of any function. It is also possible to modify the value of a global variable from within a function using the `global` keyword: ``` # defining a global variable my_global_var = "Hello World" # defining a ...
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