反转字符串之——for循环
str01 = "abcd" for i in range(-1,-len(str01)-1,-1): print(str01[i],end="")
反转字符串之——reverse方法逆序输出
str01 = "abcd" list01 = [] # 把字符串写入list for i in str01: list01.append(i) list01.reverse() for i in list01: print(i,end="")
反转字符串之——切片
str01 = "abcd"
print("第三种方法",str01[::-1])