if __name__ == "__main__": import sys with open(sys.argv[1]) as file: contents = file.read() p = Parser(contents) p.start() nodes = [p.root] while nodes: node = nodes.pop(0) print(node) nodes = node.children + nodes 这段代码打开文件,加载内容,并解析结果。然后按顺序打印...
python库的使用 1:print(补充) 2:math 2.1:math库包括的4个数学常数 2.2math库中的函数 幂对数函数 三角曲线函数 3:字符串处理函数 补充:sorted(str) 对字符串中的元素进行排序,返回排序后的列表,而不是字符串 reversed(str) 对字符串中
session_id) text_input = dialogflow.types.TextInput(text=text, language_code=language_code) query_input = dialogflow.types.QueryInput(text=text_input) response = session_client.detect_intent(session=session, query_input=query
py files pop up a DOS console box for I/O. Could use launchmodes.py too but pypath is already known. """ command = exdir + os.sep + command # rooted in examples tree command = os.path.normpath(command) # fix up mixed slashes os.environ['PP4E_PYTHON_FILE'] = pypath # export...
'l']) d.clear() # empty the deque d.pop() # cannot pop from an empty deque Traceback (most recent call last): File "<pyshell#6>", line 1, in -toplevel- d.pop() IndexError: pop from an empty deque d.extendleft('abc') # extendleft() reverses the input order d deque(['c...
(x, y) self._bboxes.append((self._cur_label, (self._pt0, self._pt1))) # 实时更新右下角坐标方便画框 elif event == cv2.EVENT_MOUSEMOVE: self._pt1 = (x, y) # 鼠标右键删除最近画好的框 elif event == cv2.EVENT_RBUTTONUP: if self._bboxes: self._bboxes.pop() # 清除所有...
Jackpop 哈尔滨工业大学 计算数学硕士 关注 18 人赞同了该回答 针对Python,我之前做过一个PyHubWeekly的专栏,每周都会精挑细选一些优秀的Python项目,其中当然就不乏GUI类工具。 今天,就给大家介绍2款我认为最优秀,评分最高的GUI工具。 enaml Github Star:933 enaml是一种能够让你用最小的努力就可以实现高...
node.left += 25 elif self.dirction == pygame.K_UP: -= 25 elif self.dirction == pygame.K_DOWN: += 25 self.body.insert(0,node) # 删除最后一个块 def delnode(self): self.body.pop() # 死亡判断 def isdead(self): # 撞墙 if self.body[0].x not in range(SCREEN_X): return ...
Menu class: Help on class Menu in module tkinter:class Menu(Widget)| Menu(master=None, cnf={}, **kw)|| Menu widget which allows displaying menu bars, pull-down menus and pop-up menus.|| Method resolution order:| Menu| Widget| BaseWidget| Misc| Pack| Place| Grid| builtins.object||...
last_close.pop('target') #Use the last row to generate a forecastfromour glass-box model #Remember1means buy and0means sell forecast = glass_box.predict(last_close)returnforecast[0] 现在我们定义玻璃盒交易机器人的 Python 主体 #Now we define the main body of our Python Glass-box Trading ...