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Numbers and arithmetic operations in Python

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Python is a versatile programming language that is widely used for a variety of tasks, from data analysis to web development. One of the fundamental aspects of programming is working with numbers and performing arithmetic operations. Number Data Types in Python Python has several built-in data types for working with numbers. These include: int: Integer numbers (positive or negative) float: Floating-point numbers (numbers with a decimal point) complex: Complex numbers (numbers with a real and imaginary part) Let's take a closer look at each of these data types. Integers Integers are whole numbers, either positive or negative. They are represented in Python by the int data type. Here are some examples of integer literals: x = 10 y = -5 z = 0 Integers can be used in mathematical expressions just like regular numbers. For example: result = 2 * x + y Floating-Point Numbers Floating-point numbers, or floats, are numbers with a decimal point. They are r...

Data Types and Variables in Python

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Python is a dynamically-typed language, which means that variables do not need to be declared before they are used. Variables can be assigned values of any data type, such as numbers, strings, and lists. Python Data Types Python has several built-in data types, including: Numbers: integers, floating-point numbers, and complex numbers Strings: sequences of characters Lists: ordered sequences of values Tuples: ordered, immutable sequences of values Dictionaries: unordered collections of key-value pairs Sets: unordered collections of unique values Booleans: logical values True and False NoneType: a special type that represents the absence of a value Each data type has its own set of operations and methods. For example, you can concatenate two strings using the + operator: first_name = 'John' last_name = 'Doe' full_name = first_name + ' ' + last_name print(full_name) # Output: 'John Doe' You can also perform arithm...