def replace(dict,line):
    """
    Find and replace the special words according to the dictionary.

    Parameters
    ==========
    dict : Dictionary
        A dictionary derived from a yaml file. Source language as keys and the target language as values.
    line : String
        A string need to be processed.
    """
    words = line.split()
    new_line = ""

    for word in words:
        fst = word[0]
        last = word[-1]
        # Check if the word ends with a punctuation
        if last == "," or last == ";" or last == ".":
            clean_word = word[0:-1]
            last = last + " "
        elif last == "]":
            clean_word = word[0:-1]
        else:
            clean_word = word
            last = " "

        # Check if the word starts with "["
        if fst == "[":
            clean_word = clean_word[1:]
        else:
            clean_word = clean_word
            fst = ""

        find = dict.get(clean_word)

        if find == None:
            new_line = new_line + fst + str(clean_word) + last
        else:
            new_line = new_line + fst + str(find) + last
            
    return new_line
Find and replace the special words according to the dictionary.

    Parameters
    ==========
    dict : Dictionary
        A dictionary derived from a yaml file. Source language as keys and the target language as values.
    line : String
        A string need to be processed.