Driver code
test_no = 64 NEW_LINE if ( isPowerOfFour ( 64 ) ) : NEW_LINE INDENT print ( test_no , ' is ▁ a ▁ power ▁ of ▁ 4' ) NEW_LINE DEDENT else : NEW_LINE INDENT print ( test_no , ' is ▁ not ▁ a ▁ power ▁ of ▁ 4' ) NEW_LINE DEDENT