Python Math: Convert a binary number to decimal number - w3resource
w3resource

Python Math: Convert a binary number to decimal number

Python Math: Exercise-31 with Solution

Write a Python program to convert a binary number to decimal number.

Sample Solution:-

Python Code:

b_num = list(input("Input a binary number: "))
value = 0

for i in range(len(b_num)):
	digit = b_num.pop()
	if digit == '1':
		value = value + pow(2, i)
print("The decimal value of the number is", value)

Sample Output: 

Input a binary number: 1000001                                                                                
The decimal value of the number is 65

Pictorial Presentation:

Python Math: Convert a binary number to decimal number

Flowchart:

Flowchart: Convert a binary number to decimal number

Visualize Python code execution:

The following tool visualize what the computer is doing step-by-step as it executes the said program:

Python Code Editor:

Have another way to solve this solution? Contribute your code (and comments) through Disqus.

Previous: Write a Python program to find the roots of a quadratic function.
Next: Write a Python program to print a complex number and its real and imaginary parts.

What is the difficulty level of this exercise?

Test your Programming skills with w3resource's quiz.



Share this Tutorial / Exercise on : Facebook and Twitter

Python: Tips of the Day

Lambdas for Sorting:

>>> students = [{'name': 'John', 'score': 98}, {'name': 'Mike', 'score': 94}, {'name': 'Jennifer', 'score': 99}]
>>> sorted(students, key=lambda x: x['score'])
[{'name': 'Mike', 'score': 94}, {'name': 'John', 'score': 98}, {'name': 'Jennifer', 'score': 99}]