Count total bits in a number

Given a positive number, Our goal is to find number of bits which is present in given number.

 Number : 34  
 Output : 6
    [34 : 100010]
        |<------>|  = 6
 Number : 256
 Output : 9
   [255 : 100000000]
        |<--------->|  = 9 

Here given code implementation process.

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