Converting Binary to Decimal in Python using Inbuilt Functions

Learn how to effortlessly convert binary numbers to decimals in Python using built-in functions. Explore examples and gain a clear understanding of the process.
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Binary and decimal numeral systems are fundamental in computing and mathematics. Converting binary numbers to decimal is a common task, and Python provides convenient built-in functions to streamline this process. In this guide, we'll explore how to convert binary to decimal using Python's inbuilt functions.

Binary to Decimal Conversion in Python

Python's int() function provides a simple way to convert binary numbers to decimals. The int() function takes two arguments—the binary number as a string and the base of the number system (in this case, 2 for binary). Let's dive into some examples:

Example 1: Binary to Decimal Conversion

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In this example, the binary number '1101' is converted to decimal using the int() function with a base of 2. The result is printed, and you'll see that the decimal equivalent of '1101' is 13.

Example 2: Convert Binary to Decimal with a Function

Let's create a function to encapsulate the conversion process:

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Here, the function binary_to_decimal() takes a binary number as input and returns its decimal equivalent. The function is then tested with the binary number '1010', producing the output "The decimal equivalent of 1010 is 10."

Example 3: Convert Binary to Decimal with User Input

You can make the conversion interactive by taking binary input from the user:

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This example prompts the user to enter a binary number, converts it to decimal, and prints the result.

Conclusion

Converting binary to decimal in Python is straightforward, thanks to the versatile int() function. Whether you're working with predefined binary values, creating functions for conversion, or making the process interactive, Python's built-in capabilities simplify the task.

By leveraging these examples and the int() function, you can seamlessly handle binary-to-decimal conversions in your Python projects.