优化代码import os import re import pandas as pd from pandas import DataFrame lst1=[] lst2=[] path1 = r'D:\C-cn' path2 = r'D:\C-en' files1 = os.listdir(path1) files2 = os.listdir(path2) lst1=[] lst2=[] reg1=re.compile(r"[^。？！…]*[。？！……]") reg2=re.compile(r'.*\.[\n ]') df1 = [] df2 = [] for i in range(0,39): domain=os.path.abspath(r'D:\C-cn') file1=os.path.join(domain,files1[i]) fn = open(str(file1),encoding='gbk') f1 = fn.readlines() #print(f1) for line in f1: line=line.rstrip('\n') if "。" not in line: lst1.append(line) else: lis=reg1.findall(line) for j in lis: lst1.append(j) data1=DataFrame({"Chinese":lst1}) df1.append(data1) df1 = pd.concat(df1) df1.to_excel("Chinese.xlsx",index="false") for i in range(0,39): domains=os.path.abspath(r'D:\C-en') file2=os.path.join(domains,files2[i]) ft = open(str(file2),encoding='gbk') f2 = ft.readlines() print(f2) for line in f2: if "." not in line: line=line.rstrip("\n") lst2.append(line) else: liss=line.split(". ") for j in liss: j=j+"." lst2.append(j) data2=DataFrame({"English":lst2}) df2.append(data2) df2 = pd.concat(df2)# 合并所有数据 df2.to_excel("English.xlsx",index="false")

这段代码可以进行一些优化，包括：

1. 将重复的代码封装成函数，避免重复代码。

2. 不需要在每次迭代时都重新初始化 `lst1` 和 `lst2` 列表，可以将其初始化放在循环外面。

3. 在使用 `pandas` 库时，最好使用 `read_csv()` 函数和 `to_csv()` 函数，而不是 `DataFrame()` 和 `to_excel()` 函数。

下面是优化后的代码：

import os
import re
import pandas as pd

def get_sentences(file_path, regex):
    with open(file_path, encoding='gbk') as f:
        lines = f.readlines()
    sentences = []
    for line in lines:
        line = line.rstrip('\n')
        if "。" not in line:
            sentences.append(line)
        else:
            lis = regex.findall(line)
            for j in lis:
                sentences.append(j)
    return sentences

def get_english_sentences(file_path):
    with open(file_path, encoding='gbk') as f:
        lines = f.readlines()
    sentences = []
    for line in lines:
        if "." not in line:
            line = line.rstrip("\n")
            sentences.append(line)
        else:
            liss = line.split(". ")
            for j in liss:
                j = j + "."
                sentences.append(j)
    return sentences

path1 = r'D:\C-cn'
path2 = r'D:\C-en'
files1 = os.listdir(path1)
files2 = os.listdir(path2)

reg1 = re.compile(r"[^。？！…]*[。？！……]")
reg2 = re.compile(r'.*\.[\n ]')

lst1 = []
for i in range(0, 39):
    file1 = os.path.join(path1, files1[i])
    lst1 += get_sentences(file1, reg1)

lst2 = []
for i in range(0, 39):
    file2 = os.path.join(path2, files2[i])
    lst2 += get_english_sentences(file2)

df1 = pd.DataFrame({"Chinese": lst1})
df1.to_csv("Chinese.csv", index=False)

df2 = pd.DataFrame({"English": lst2})
df2.to_csv("English.csv", index=False)

这里将中文和英文的句子分别存储到了 `Chinese.csv` 和 `English.csv` 文件中，以便后续的处理和分析。