关于字符串循环,步长,有可以一次性读2个字符的办法吗.
encodeDasc = '1234567890'for chD in encodeDasc[::2]: print chd
encodeDasc = '1234567890'il = len(encodeDasc)for i in range(0, il, 2): print encodeDasc[i:i+2]