Convert num to string
strr = str ( num ) NEW_LINE l = 0 NEW_LINE r = len ( strr ) - 1 NEW_LINE while ( l < r ) : NEW_LINE INDENT if ( strr [ l ] != strr [ r ] ) : NEW_LINE INDENT return 0 NEW_LINE DEDENT l += 1 NEW_LINE r -= 1 NEW_LINE DEDENT return num NEW_LINE