abc

def default_input(message, default_value):
    text = input(message)
    if text == "":
        return default_value
    else:
        return text


in_file = default_input("Enter the input file name: [Press ENTER for waltham.txt]", "waltham.txt")
line_len = default_input("Enter the line length: [Press ENTER for 50]", "50")
search_word = default_input("Enter a search word: [Press ENTER for watch]", "watch")
justification = default_input("Output justification (L/C/R): [Press ENTER for r]", "r")
print("File Written")

out_file = open(in_file.split(".")[0] + "_output.txt", "w")
with open(in_file) as file:
    total_sent = 0
    total_word = 0
    total_char = 0
    total_digit = 0
    total_year = 0
    total_searched_word = 0
    lines = []
    for line in file:
        total_sent += len(line.split(". "))
        total_word += len(line.split(" "))
        total_char += len(line)
        for l in line.split(". "):
            if len(l) <= int(line_len):
                lines.append(l)
        for ch in line:
            if ch.isdigit():
                total_digit += 1
        for w in line.split(" "):
            if search_word in w:
                total_searched_word += 1
            if w.isdigit():
                total_year += 1
    avg_sent_len = total_char/total_sent


out_file.writelines("File Analysis" + "\n\n")
out_file.writelines(f'Sentences:      {total_sent}    Words:     {total_word}\n')
out_file.writelines(f'Characters:   {total_char}    Digits:    {total_digit}\n')
out_file.writelines(f'Years:          {total_year}    Average Sentence Length:    {avg_sent_len}\n')
out_file.writelines("Original Text:\n")
ln = 1
new_list = []
for l in lines:
    out_file.writelines(f'{ln} {l}.\n')
    temp = l.split(" ")
    t = ""
    for e in temp:
        if e[0] != "[" and e[-1] != "]":
            t = t + e + " "
    new_list.append(t)
    ln += 1


out_file.writelines("\n\nNew Text:\n")
lno = 1
for l in new_list:
    out_file.writelines(f'{lno} {l}.\n')
    lno += 1


out_file.close()