2.1 import module 打开IDLE,我们输入如下: C:\Users\zhuji>python Python 3.10.6 (tags/v3.10.6:9c7b4bd, Aug 1 2022, 21:53:49) [MSC v.1932 64 bit (AMD64)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> dir() ['__annotations__', '__bui...
#测试一:导入的函数read1,执行时仍然回到my_module.py中寻找全局变量money #demo.py from my_module import read1 money=1000 read1() ''' 执行结果: from the my_module.py spam->read1->money 1000 ''' #测试二:导入的函数read2,执行时需要调用read1(),仍然回到my_module.py中找read1() #demo.py...
try: response = requests.get("https://api.example.com/data") response.raise_for_status() # 检查状态码 data = response.json() except requests.exceptions.HTTPError as e: print(f"HTTP 错误:{e}") except requests.exceptions.ConnectionError: print("连接失败") except requests.exceptions.Timeout:...
instance, owner):print('触发get')def__set__(self, instance, value):print('触发set')def__delete__(self, instance):print('触发delete')#包含这三个方法的新式类称为描述符,由这个类产生的实例进行属性的调用/赋值/删除,并不会触发这三个方法f1=Foo() ...
invalid option -- 'f'\nTry 'df --help' for more information.\n" >>> a = subprocess.run(['df','-fdsfh'],stdout=subprocess.PIPE,stderr=subprocess.PIPE,check=True) Traceback (most recent call last): File "<stdin>", line 1, in <module> File "/usr/lib64/python3.6/subprocess.py...
= obj.mod_list: return False return True class Startup(object): """Startup configuration information current: current startup configuration next: current next startup configuration """ def __init__(self): self.current, self.next = self.get_startup_info() self.is_need_clear_config = ...
import commands cmd = "/usr/sbin/system_profiler SPHardwareDataType | fgrep 'Serial' | awk '{print $NF}'"(status, output) = commands.getstatusoutput(cmd)print status, output windows系统 windows系统下没有mac上的这个命令,不过在powershell中有Get-WmiObject命令: ...
return"Welcome to %s (%s %s %s)\n System information as of %s" % ( linux_type, platform.system(), platform.release(), platform.machine(), getTimeNow() ) else: return ifmswindows: defget_system_encoding(): importcodecs importlocale ...
sys.getrefcount(object) 返回object的引用次数,通常高于期待值,因为包含了object作为参数传递给此方法的临时引用 sys.getrecursionlimit() python解释器堆栈当前设置的最大递归深度,可以通过setrecursionlimit()设置。 sys.getsizeof(object[, default]) 返回任意对象的字节大小。所有的内置对象都能返回正确的结果,但对于...
I do not have birthday information for Eve What is their birthday? Dec 5 Birthday database updated. Enter a name: (blank to quit) Eve Dec 5 is the birthday of Eve Enter a name: (blank to quit) 当然,当程序终止时,你在这个程序中输入的所有数据都会被忘记。你将在第 9 章中学习如何将数...