位于/‘TypeError’对象的URL不是可迭代的请求方法: GET请求NoneType: http://localhost:8000/

import requests

url = "http://localhost:8000/"
response = requests.get(url)

if response.status_code == 200:
    data = response.json()  # 假设返回的是JSON数据
    for item in data:
        print(item)
else:
    print(f"请求失败，状态码: {response.status_code}")

import requests

url = "http://localhost:8000/"
try:
    response = requests.get(url)
    response.raise_for_status()  # 如果响应状态码不是200，会抛出异常
    data = response.json()
    for item in data:
        print(item)
except requests.exceptions.RequestException as e:
    print(f"请求发生错误: {e}")
except TypeError as e:
    print(f"类型错误: {e}")

import requests

url = "http://localhost:8000/"
response = requests.get(url)

if response.status_code == 200:
    data = response.json()
    if isinstance(data, list):  # 确保data是一个列表
        for item in data:
            print(item)
    else:
        print("返回的数据不是列表类型")
else:
    print(f"请求失败，状态码: {response.status_code}")