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Python Casting

Python is a flexible programming language that can handle a variety of data types. However, sometimes it is necessary to convert data from one type to another, and this process is called casting in Python. In this article, we will explore what casting is, how it works, and provide examples of how it can be used in Python programming. Specify a Variable Type Casting involves changing the data type of a value to a different type. Python provides several built-in functions to cast values to different data types. These functions include int(), float(), str(), and bool(), which can cast values to integers, floating-point numbers, strings, and booleans, respectively. Let's consider an example of casting in Python. Suppose we have a variable x that contains the value "5". This value is a string type, but we need to use it in a mathematical calculation, which requires it to be an integer type. In this case, we can use the int() function to cast the string value "5" to a...
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Python Numbers

Python is a high level programming language that can work with different kinds of numbers such as whole numbers, numbers with decimal points, and complex numbers. This is all you need to understand about Python numbers. Integers: Integers are whole numbers with no decimal point. The int data type is utilized in Python to represent integers. These integers can take on positive, negative, or zero values. Example: ```python x = 5 y = -10 z = 0 ``` Floating-Point Numbers: Numbers that contain a decimal point are commonly known as floating-point numbers. Python uses the float data type to represent floating-point numbers. Floating-point numbers can have a value of zero, positive, or negative. Example: ```python x = 3.14 y = -2.0 z = 0.0 ``` Complex Numbers: A complex number comprises of a real component and an imaginary component. Within Python, these numbers are denoted by utilizing the complex data type. The real part is represented by the float or int data type, and the imaginary part is...
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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 - 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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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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