Python中有关遍历的问题

以下程序的输出结果是：

chs = "|''-'|"

for i in range(6):

for ch in chs[i]:

    print(ch,end='') 

A.|''-'|
B.|''-'
C.|-|
D."|'-'|"以下程序的输出结果是：

chs = "|''-'|"

for i in range(6):

for ch in chs[i]:

    print(ch,end='') 

A.|''-'|
B.|''-'
C.|-|
D."|'-'|"

A
"|''-'|" 引号里面是字符串 |''-'|