Question

How to convert binary number to decimal in Python

Answer 1

def binary_to_decimal(s): 
    dec = 0
    j = 0
 
    for i in range(len(s) - 1, -1, -1): # range (start, stop[, step])
        if (s[i] == '1'):
            dec += pow(2, j)
        j += 1
    return dec; 
 

s = "10101011";  
   
print(binary_to_decimal(s))



'''
run:

171

'''

 

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