消息推送系统

def __init__(self, sender, recipient, content):

self.sender = sender

self.recipient = recipient

self.content = content

def send(self):

print(f"Sending message from {self.sender} to {self.recipient}: {self.content}")

message = Message("Alice", "Bob", "Hello Bob!")

message.send()

顶岗实习系统

def extract_info(file_path):

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

content = file.read()

dates = re.findall(r'\d{4}-\d{2}-\d{2}', content)

amounts = re.findall(r'\$\d+', content)

return dates, amounts

dates, amounts = extract_info('tender_document.txt')

print(f"Dates found: {dates}")

print(f"Amounts found: {amounts}")