def main(num):strNum = str(num)return int(strNum[1:3]+strNum[0:1])if __name__ == '__main__':print main(123)
python中将123变为231的程序
def main(num):strNum = str(num)return int(strNum[1:3]+strNum[0:1])if __name__ == '__main__':print main(123)2013-10-19
a = 123
int(str(a)[::-1])
Out[2]: 3212013-10-19
print( int( ''.join( reversed( str( 123 ) ) ) ) )2013-10-19
