text: Count set bits in an integer | recursive function to count set bits ; base case ; Get value from user ; function calling
code: def countSetBits ( n ) : NEW_LINE INDENT if ( n == 0 ) : NEW_LINE INDENT return 0 NEW_LINE DEDENT else : NEW_LINE INDENT return 1 + countSetBits ( n & ( n - 1 ) ) NEW_LINE DEDENT DEDENT n = 9 NEW_LINE print ( countSetBits ( n ) ) NEW_LINE