使用python以下格式解析文件的最佳方法是什么？

import csv

with open('file.csv', 'r') as file:
    reader = csv.reader(file)
    for row in reader:
        print(row)

import json

with open('file.json', 'r') as file:
    data = json.load(file)
    print(data)

from lxml import etree

with open('file.xml', 'r') as file:
    tree = etree.parse(file)
    root = tree.getroot()
    print(root.tag)

from openpyxl import load_workbook

workbook = load_workbook('file.xlsx')
sheet = workbook.active
for row in sheet.iter_rows():
    for cell in row:
        print(cell.value)

import PyPDF2

pdf_file = open('file.pdf', 'rb')
pdf_reader = PyPDF2.PdfFileReader(pdf_file)
num_pages = pdf_reader.numPages
for page_num in range(num_pages):
    page = pdf_reader.getPage(page_num)
    print(page.extractText())

from docx import Document

doc = Document('file.docx')
for para in doc.paragraphs:
    print(para.text)

from PIL import Image

img = Image.open('file.jpg')
pixels = img.load()
for y in range(img.size[1]):
    for x in range(img.size[0]):
        print(pixels[x, y])

from pydub import AudioSegment

audio_file = 'file.mp3'
audio = AudioSegment.from_mp3(audio_file)
for i in range(len(audio)):
    print(audio[i])

import cv2

video_file = 'file.mp4'
cap = cv2.VideoCapture(video_file)
while cap.isOpened():
    ret, frame = cap.read()
    if ret:
        cv2.imshow('frame', frame)
        if cv2.waitKey(1) & 0xFF == ord('q'):
            break
    else:
        break
cap.release()
cv2.destroyAllWindows()

with open('file.bin', 'rb') as file:
    data = file.read()
    unpacked_data = struct.unpack('<I', data)
    print(unpacked_data)