python-文字編輯器

Question

輸入說明
第一行輸入一個整數M, N， M是原始文章行數，N是編輯指令數
其後M行，每一行為原始句子，以空白隔開每個字
其後N行，每一行的第一個字串為編輯指令，隨後為對應的控制字串，以空白隔開
文章不會包含標點符號，第幾行、第幾個字都是從1開始算
編輯指令說明：
ADD_W_FRONT i n word # 在第i行中，第n個字前面加上word
ADD_W_AFTER i n word # 在第i行中，第n個字後面加上word
ADD_S_FRONT i sentence # 在第i行前面加入一句sentence
ADD_S_AFTER i sentence # 在第i行後面加入一句sentence
INSERT_FRONT key word # 在文章中所有key前面加上word
INSERT_AFTER key word # 在文章中所有key的後面加上word
DEL_W i n # 刪除第i行中，第n個字
DEL_L i # 刪除第i行 (請注意其他行的行數，可能被此指令影響)
REPLACE old new # 將文章中所有old替換為new (區分大小寫)
COUNT # 輸出目前文章總計字數


輸出說明
輸出編輯完成之文章



範例：
輸入：
5 6
Morning mom # 第1行
Morning dear # 第2行
What is for breakfast # 第3行
Here are your eggs and milk # 第4行
Looks good # 第5行
INSERT_FRONT Morning Good # 1 -> Good Morning mom 2 -> Good Morning dear
REPLACE Morning night # 1 -> Good night mom 2 -> Good night dear
DEL_L 1 # 刪除第一行，其他行數-1
DEL_W 1 3 # 刪除 dear 1 -> Good night
ADD_S_AFTER 4 thanks mom # 4 -> Looks good thanks mom
COUNT # 輸出當前總字數



輸出：
16
Good night
What is for breakfast
Here are your eggs and milk
Looks good thanks mom

輸入 1
4 5
Loving can hurt
Loving can hurt sometimes
It is the only thing makes us feel alive
we keep this love in a photograph
DEL_L 1
DEL_L 2
ADD_S_FRONT 2 Maybe
INSERT_FRONT hurt not
COUNT

輸出1
13
Loving can not hurt sometimes
Maybe we keep this love in a photograph

輸入 2
3 3
Once I was seven years old
my mama told me
mama love me
REPLACE mama daddy
INSERT_AFTER daddy and
INSERT_AFTER and mama

輸出 2
Once I was seven years old
my daddy and mama told me
daddy and mama love me

輸入3
3 5
Who lives in a pineapple in the sea
Absorbent yellow and porous is he
Nautical nonsense be something you wish
DEL_W 1 6
ADD_W_FRONT 3 1 Who
ADD_W_AFTER 1 5 under
REPLACE Who You
ADD_S_AFTER 3 it

輸出 3
You lives in a pineapple under the sea
Absorbent yellow and porous is he
You Nautical nonsense be something you wish it

輸入 4
1 1
you you you
INSERT_FRONT you are

輸出4
are you are you are you

Answer 1

# ADD_W_FRONT i n word
def ADD_W_FRONT(i: int, n: int, word: str, textList: list) -> list:
    index = i - 1
    tmpStr = textList[index]
    tmpList = tmpStr.strip().split()
    tmpList.insert(n - 1, word)
    textList[index] = ' '.join(tmpList)
    return textList


# ADD_W_AFTER i n word
def ADD_W_AFTER(i: int, n: int, word: str, textList: list) -> list:
    index = i - 1
    tmpStr = textList[index]
    tmpList = tmpStr.strip().split()
    tmpList.insert(n, word)
    textList[index] = ' '.join(tmpList)
    return textList


# ADD_S_FRONT i sentence
def ADD_S_FRONT(i: int, sentence: str, textList: list) -> list:
    index = i - 1
    tmpStr = textList[index]
    textList[index] = sentence + ' ' + tmpStr
    return textList


# ADD_S_AFTER i sentence
def ADD_S_AFTER(i: int, sentence: str, textList: list) -> list:
    index = i - 1
    tmpStr = textList[index]
    textList[index] = tmpStr + ' ' + sentence
    return textList


# INSERT_FRONT key word
def INSERT_FRONT(key: str, word: str, textList: list) -> list:
    for i in range(len(textList)):
        textList[i] = textList[i].replace(key, word + ' ' + key)
    return textList


# INSERT_AFTER key word
def INSERT_AFTER(key: str, word: str, textList: list) -> list:
    for i in range(len(textList)):
        textList[i] = textList[i].replace(key, key + ' ' + word)
    return textList


# DEL_W i n
def DEL_W(i: int, n: int, textList: list) -> list:
    index = i - 1
    tmpStr = textList[index]
    tmpList = tmpStr.strip().split()
    n -= 1
    if 0 <= n < len(tmpList):
        del tmpList[n]
    textList[index] = ' '.join(tmpList)
    return textList


# DEL_L i
def DEL_L(i: int, textList: list) -> list:
    index = i - 1
    if 0 <= index < len(textList):
        del textList[index]
    return textList


#  REPLACE old new
def REPLACE(old: str, new: str, textList: list) -> list:
    for i in range(len(textList)):
        textList[i] = textList[i].replace(old, new)
    return textList


def COUNT(textList: list) -> int:
    n = 0
    for i in range(len(textList)):
        tmpStr = textList[i]
        tmpList = tmpStr.strip().split()
        n += len(tmpList)
    return n


def command(commandStr: str, textList: list) -> list:
    # ADD_W_FRONT i n word # 在第i行中，第n個字前面加上word
    # ADD_W_AFTER i n word # 在第i行中，第n個字後面加上word
    # ADD_S_FRONT i sentence # 在第i行前面加入一句sentence
    # ADD_S_AFTER i sentence # 在第i行後面加入一句sentence
    # INSERT_FRONT key word # 在文章中所有key前面加上word
    # INSERT_AFTER key word # 在文章中所有key的後面加上word
    # DEL_W i n # 刪除第i行中，第n個字
    # DEL_L i # 刪除第i行 (請注意其他行的行數，可能被此指令影響)
    # REPLACE old new # 將文章中所有old替換為new (區分大小寫)
    # COUNT # 輸出目前文章總計字數
    tmpList = commandStr.strip().split()
    if len(tmpList) == 0:
        return textList
    elif tmpList[0] == 'ADD_W_FRONT':
        i, n, word = eval(tmpList[1]), eval(tmpList[2]), tmpList[3]
        textList = ADD_W_FRONT(i, n, word, textList)
    elif tmpList[0] == 'ADD_W_AFTER':
        i, n, word = eval(tmpList[1]), eval(tmpList[2]), tmpList[3]
        textList = ADD_W_AFTER(i, n, word, textList)
    elif tmpList[0] == 'ADD_S_FRONT':
        i, sentence = eval(tmpList[1]), ' '.join(tmpList[2:])
        textList = ADD_S_FRONT(i, sentence, textList)
    elif tmpList[0] == 'ADD_S_AFTER':
        i, sentence = eval(tmpList[1]), ' '.join(tmpList[2:])
        textList = ADD_S_AFTER(i, sentence, textList)
    elif tmpList[0] == 'INSERT_FRONT':
        key, word = tmpList[1], tmpList[2]
        textList = INSERT_FRONT(key, word, textList)
    elif tmpList[0] == 'INSERT_AFTER':
        key, word = tmpList[1], tmpList[2]
        textList = INSERT_AFTER(key, word, textList)
    elif tmpList[0] == 'DEL_W':
        i, n = eval(tmpList[1]), eval(tmpList[2])
        textList = DEL_W(i, n, textList)
    elif tmpList[0] == 'DEL_L':
        i = eval(tmpList[1])
        textList = DEL_L(i, textList)
    elif tmpList[0] == 'REPLACE':
        old, new = tmpList[1], tmpList[2]
        textList = REPLACE(old, new, textList)
    return textList


def main():
    m, n = map(int, input().split())
    lst = []
    for _ in range(m):
        lst.append(input())
    num = -1
    for _ in range(n):
        commandStr = input().strip()
        if commandStr == 'COUNT':
            num = COUNT(lst)
        else:
            lst = command(commandStr, lst)
    if num != -1:
        print(num)
    for line in lst:
        print(line)


if __name__ == '__main__':
    main()