# 打開文件（默認(rèn)為只讀模式）
file_path = 'example.txt'
with open(file_path, 'r') as file:
    # 執(zhí)行文件操作，例如讀取文件內(nèi)容
    file_content = file.read()
    print(file_content)

# 文件在with塊結(jié)束后會(huì)自動(dòng)關(guān)閉，無需顯式關(guān)閉文件

file_path = 'example.txt'
with open(file_path, 'r') as file:
    # 執(zhí)行文件操作，例如讀取文件內(nèi)容
    file_content = file.read()
    print(file_content)
    # 文件在這里已經(jīng)被自動(dòng)關(guān)閉

file_path = 'example.txt'
file = open(file_path, 'r')
try:
    # 執(zhí)行文件操作，例如讀取文件內(nèi)容
    file_content = file.read()
    print(file_content)
finally:
    file.close()

file_path = 'example.txt'

# 寫入文件
with open(file_path, 'w') as file:
    file.write("Hello, this is some data.")

import csv

csv_file_path = 'example.csv'

data = [['Name', 'Age', 'Occupation'],
        ['John Doe', 30, 'Engineer'],
        ['Jane Smith', 25, 'Designer']]

with open(csv_file_path, 'w', newline='') as csvfile:
    csv_writer = csv.writer(csvfile)
    csv_writer.writerows(data)  

import json

json_file_path = 'example.json'

data = {"name": "John Doe", "age": 30, "occupation": "Engineer"}

with open(json_file_path, 'w') as jsonfile:
    json.dump(data, jsonfile)

import sqlite3

# 連接到SQLite數(shù)據(jù)庫（假設(shè)有一個(gè)名為 example.db 的數(shù)據(jù)庫）
conn = sqlite3.connect('example.db')

# 創(chuàng)建一個(gè)游標(biāo)對(duì)象
cursor = conn.cursor()

# 執(zhí)行SQL插入語句
cursor.execute("INSERT INTO users (name, age, occupation) VALUES (?, ?, ?)", ('John Doe', 30, 'Engineer'))

# 提交更改
conn.commit()

# 關(guān)閉連接
conn.close()

file_path = 'example.txt'

# 讀取文件
with open(file_path, 'r') as file:
    data = file.read()
    print(data)

import csv

csv_file_path = 'example.csv'

# 讀取CSV文件
with open(csv_file_path, 'r') as csvfile:
    csv_reader = csv.reader(csvfile)
    for row in csv_reader:
        print(row)

import json

json_file_path = 'example.json'

# 讀取JSON文件
with open(json_file_path, 'r') as jsonfile:
    data = json.load(jsonfile)
    print(data)

import sqlite3

# 連接到SQLite數(shù)據(jù)庫（假設(shè)有一個(gè)名為 example.db 的數(shù)據(jù)庫）
conn = sqlite3.connect('example.db')

# 創(chuàng)建一個(gè)游標(biāo)對(duì)象
cursor = conn.cursor()

# 執(zhí)行SQL查詢語句
cursor.execute("SELECT * FROM users")

# 檢索所有行
rows = cursor.fetchall()

# 打印每一行
for row in rows:
    print(row)

# 關(guān)閉連接
conn.close()

with open('file.txt', 'r') as file:
    lines = file.readlines()

Hello, this is line 1.
This is line 2.   
And this is line 3.   

with open('file.txt', 'r') as file:
    lines = file.readlines()

# lines 現(xiàn)在是一個(gè)包含每一行文本的列表
print(lines)
# 輸出：
# ['Hello, this is line 1.\n', 'This is line 2.\n', 'And this is line 3.\n']

# 訪問特定行
print(lines[0].strip())  # 輸出：Hello, this is line 1.

with open('file.txt', 'r') as file:
    line = file.readline()

Hello, this is line 1.   
This is line 2.   
And this is line 3.   

with open('file.txt', 'r') as file:
    line1 = file.readline()
    line2 = file.readline()
    line3 = file.readline()

print(line1)  # 輸出：Hello, this is line 1.
print(line2)  # 輸出：This is line 2.
print(line3)  # 輸出：And this is line 3.

with open('file.txt', 'r') as file:
    line = file.readline()
    while line != '':
        print(line.strip())  # 去除換行符
        line = file.readline()

with open('file.txt', 'r') as file:
    lines = file.readlines()`

  with open('file.txt', 'r') as file:
      line = file.readline()
      while line != '':
          print(line.strip())  # 去除換行符
          line = file.readline()

import os

# 列出指定目錄中的所有文件和文件夾   
files = os.listdir('path_to_directory')

for file in files:
    # 獲取文件的完整路徑
    full_path = os.path.join('path_to_directory', file)
    
    # 檢查是否是文件
    if os.path.isfile(full_path):
        # 新的文件名
        new_filename = 'new_name'
        
        # 重命名操作
        os.rename(full_path, os.path.join('path_to_directory', new_filename))
        print(f'Renamed {file} to {new_filename}')

try:
    for file in files:
        # ...（上面的代碼）
except OSError as e:
    print(f'Error occurred: {e}')

import os
# 指定要重命名文件的目錄
directory = 'path_to_directory'
# 列出目錄中的所有文件
files = os.listdir(directory)
# 遍歷文件列表并進(jìn)行重命名
for file in files:
    if os.path.isfile(os.path.join(directory, file)):
        # 設(shè)定新的文件名
        new_filename = 'new_name'
        
        # 重命名文件
        try:
            os.rename(
                os.path.join(directory, file),
                os.path.join(directory, new_filename)
            )
            print(f'Renamed {file} to {new_filename}')
        except OSError as e:
            print(f'Error renaming {file}: {e}')

import os
import re
# 指定目錄
directory = 'path_to_directory'
# 列出目錄中的所有文件
files = os.listdir(directory)
# 遍歷文件列表并進(jìn)行重命名
for file in files:
    if os.path.isfile(os.path.join(directory, file)):
        # 使用正則表達(dá)式匹配文件名模式，并替換為新的模式
        new_filename = re.sub(r'\d+', 'new_prefix', file)
        
        # 重命名文件
        try:
            os.rename(
                os.path.join(directory, file),
                os.path.join(directory, new_filename)
            )
            print(f'Renamed {file} to {new_filename}')
        except OSError as e:
            print(f'Error renaming {file}: {e}')

import os

file_path = 'path_to_file'

if os.path.isfile(file_path):
    print(f'File {file_path} exists, proceed to delete.')
else:
    print(f'File {file_path} does not exist, skip deletion.')

try:
    os.remove(file_path)
    print(f'File {file_path} deleted successfully.')
except OSError as e:
    print(f'Error occurred: {e}')

import os
# 指定要?jiǎng)h除的文件的目錄
file_path = 'path_to_file'
# 檢查文件是否存在
if os.path.isfile(file_path):
    print(f'File {file_path} exists, proceed to delete.')
else:
    print(f'File {file_path} does not exist, skip deletion.')
# 執(zhí)行刪除操作
try:
    os.remove(file_path)
    print(f'File {file_path} deleted successfully.')
except OSError as e:
    print(f'Error occurred: {e}') 

import os   

file_path = 'path_to_file'   

if not os.path.exists(file_path):
    print(f'File path {file_path} does not exist, proceed to create.')
else:
    print(f'File path {file_path} already exists, skip creation.')  

try:
    with open(file_path, 'w') as f:
        print(f'File {file_path} created successfully.')
except IOError as e:
    print(f'Error occurred: {e}')

import os
# 指定要?jiǎng)?chuàng)建的文件的目錄
file_path = 'path_to_file'
# 檢查文件路徑是否存在
if not os.path.exists(file_path):
    print(f'File path {file_path} does not exist, proceed to create.')
else:
    print(f'File path {file_path} already exists, skip creation.')
# 執(zhí)行創(chuàng)建操作
try:
    with open(file_path, 'w') as f:
        print(f'File {file_path} created successfully.')
except IOError as e:
    print(f'Error occurred: {e}')

import os
current_directory = os.getcwd()
print(f'Current directory is: {current_directory}')

# 獲取桌面路徑
import os
import re

desktop_path = os.path.join(os.path.expanduser("~"), "Desktop")

# 目標(biāo)文件路徑
file_path = os.path.join(desktop_path, "目錄.txt")

# 打開文件并讀取內(nèi)容
with open(file_path, 'r', encoding='utf-8') as file:
    lines = file.readlines()

modified_lines = []
for line in lines:
    # 去除空格
    line = line.replace(" ", "")
    if len(line) == 1:
        continue
    # 使用正則表達(dá)式在'章'或'節(jié)'后面添加一個(gè)空格，僅在后面沒有空格的情況下
    line = re.sub(r'(章|節(jié))(?![ ])', r'\1 ', line)
    # 在小數(shù)點(diǎn)后添加空格
    line = re.sub(r'(\.\d)', r'\1 ', line)
    if '章' not in line:
        # 二級(jí)標(biāo)題添加4個(gè)空格
        line = ' ' * 4 + line
    # 匹配并去除最外層的英文括號(hào)
    pattern_en = r'\(([\d\s]+)\)'
    line = re.sub(pattern_en, r'\1', line)
    # 匹配并去除最外層的中文括號(hào)及其內(nèi)部內(nèi)容（包括除數(shù)字和空格以外的字符）
    pattern = r'（([^）]+)）'
    line = re.sub(pattern, r'\1', line)
    # 確保每行只有一個(gè) =>
    if '=>' not in line:
        # 在頁碼數(shù)字前添加 =>（只在行尾）
        line = re.sub(r'(\d+)$', r'=>\1', line)
    # 去除中文漢字和'=>整體符號(hào)左邊的冗余符號(hào)
    pattern = r'([\u4e00-\u9fff]+)[^\w\s]+=>'
    line = re.sub(pattern, r'\1=>', line)
    modified_lines.append(line)
# 將修改后的內(nèi)容寫回文件
with open(file_path, 'w', encoding='utf-8') as file:
    file.writelines(modified_lines)

# 讀取文件內(nèi)容
with open(file_path, 'r', encoding='utf-8') as file:
    content = file.read()
    print(content)

import os

# 指定目錄路徑
directory_path = r'目標(biāo)文件夾絕對(duì)路徑'

# 獲取目錄下所有文件名
files = os.listdir(directory_path)

# 遍歷文件
for file_name in files:
    # 構(gòu)建完整的文件路徑
    file_path = os.path.join(directory_path, file_name)

    # 檢查文件是否是圖片文件，并且文件名中包含下劃線
    if file_name.lower().endswith(('.png', '.jpg', '.jpeg', '.gif')) and '_' in file_name:
        # 分割文件名，以下劃線為界
        parts = file_name.split('_')

        # 確保分割后的第一部分為'00159231127'
        if parts[0] != '00159231127':
            # 構(gòu)建新文件名
            new_file_name = '00159231127' + '_' + '_'.join(parts[1:])

            # 構(gòu)建新文件路徑
            new_file_path = os.path.join(directory_path, new_file_name)

            # 重命名文件
            os.rename(file_path, new_file_path)
            print(f'Renamed: {file_name} -> {new_file_name}')

import os

# 指定目錄路徑
directory_path = r'目標(biāo)路徑'

# 獲取目錄下所有文件夾名
folders = [folder for folder in os.listdir(directory_path) if os.path.isdir(os.path.join(directory_path, folder))]

# 創(chuàng)建一個(gè)空字典，用于存儲(chǔ)前5位相同的文件夾名
same_prefix_folders = {}

# 遍歷文件夾
for folder in folders:
    # 獲取前5位文件夾名
    prefix = folder[:5]

    # 檢查前5位文件夾名是否已經(jīng)在字典中
    if prefix in same_prefix_folders:
        # 將文件夾名添加到對(duì)應(yīng)的鍵值中
        same_prefix_folders[prefix].append(folder)
    else:
        # 若字典中沒有該前5位文件夾名，則創(chuàng)建鍵值對(duì)
        same_prefix_folders[prefix] = [folder]

# 輸出前5位相同的文件夾名
for prefix, folders in same_prefix_folders.items():
    if len(folders) > 1:
        print(f"前5位為 '{prefix}' 的文件夾有以下重復(fù)命名：")
        print(', '.join(folders))