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Python Math: Convert a binary number to decimal number

Python Math: Exercise-31 with Solution

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

Python Code Editor:

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Previous: Write a Python program to find the roots of a quadratic function.
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