当我在答案中输入多个字母时，我的列表会出现两倍

Question

item=[]

a = raw_input('enter 1st item')
for x in a :
    item.append(a)

b = raw_input('enter 2nd item')
for x in b :
    item.append(b)

c = raw_input('enter 3rd item')
for x in c :
    item.append(c)

print item

Answer 1

    item=[]

    a = raw_input('enter 1st item')
    for x in a :
        item.append(x)

    b = raw_input('enter 2nd item')
    for x in b :
        item.append(x)

    c = raw_input('enter 3rd item')
    for x in c :
        item.append(x)

print item