Convert decimal to binary number in Python program

In this article, we will learn about the solution to the problem statement given below.

Problem statement − We are given a decimal number, we need to convert it into its binary equivalent.

There are two approaches to solve the given problem. Let’s see them one by one−

Recursive Approach

Example

 Live Demo

def DecimalToBinary(num):
   if num > 1:
      DecimalToBinary(num // 2)
   print(num % 2, end = '')
# main
if __name__ == '__main__':
   # decimal input
   dec_val = 56
   # binary equivalent
   DecimalToBinary(dec_val)

Output

111000

All the variables and functions are declared in the global scope shown in the figure above.

Using Built-In method

Example

 Live Demo

def decimalToBinary(n):
   return bin(n).replace("0b", "")
# Driver code
if __name__ == '__main__':
   print(decimalToBinary(56))

Output

111000

All the variables and functions are declared in the global scope shown in the figure above.

Conclusion

In this article, we have learned about the python program to convert a list into a string.

Pavitra

Updated on 23-Dec-2019 07:31:57

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