Python生成器有哪些应用场景

def read_large_file(file_path):
    with open(file_path, 'r') as file:
        for line in file:
            yield line.strip()

import requests

def fetch_data(url):
    response = requests.get(url)
    for line in response.iter_lines():
        yield line.decode('utf-8').strip()

def process_data_stream():
    while True:
        data = get_next_data_from_source()  # 从数据源获取数据的函数
        if data is None:
            break
        yield process_data(data)  # 处理数据的函数

def fibonacci():
    a, b = 0, 1
    while True:
        yield a
        a, b = b, a + b

import gzip

def read_compressed_file(file_path):
    with gzip.open(file_path, 'rt') as file:
        for line in file:
            yield line.strip()