消息推送系统

import PyPDF2

def extract_text_from_pdf(file_path):

with open(file_path, 'rb') as file:

reader = PyPDF2.PdfReader(file)

text = ""

for page in reader.pages:

text += page.extract_text()

return text

import pandas as pd

def analyze_data(text):

# 假设我们已经将提取到的文本数据分割成单词列表

words = text.split()

df = pd.DataFrame(words, columns=['word'])

word_counts = df['word'].value_counts()

return word_counts