import pygame import random #declare GLOBALS width = 800 height = 700 #since each shape needs equal width and height as of square game_width = 300 #each block will have 30 width game_height = 600 #each block will have 30 height shape_size = 30 #check top left position for rendering s...
in fact any sequence; anything with a non-zero length is true, empty sequences are false. The...
classStack(object):#初始化栈def__init__(self): self.items=[]#判断栈是否为空defis_empty(self):returnself.items ==[]#返回栈顶defpeek(self):returnself.items[len(self.items) - 1]#返回栈大小defsize(self):returnlen(self.items)#压栈defpush(self, item): self.items.append(item)#出栈defp...
并集(| 或者 union) 取去除重复部分内容 差集(- 或者 difference)取set1或者set2中除去公共部分的内容 反交集 (^ 或者 symmetric_difference) 子集(< 或者 issubset) 超集(> 或者 issuperset) 4.7 列表、元组、字典、集合间的区别差异 列表: 数据量过大时不建议使用列表存储数据,取数据效率会比较低,推荐使用字典...
# declare globals global gscale1, gscale2 # open image and convert to grayscale image = Image.open(fileName).convert('L') # store dimensions W, H = image.size[0], image.size[1] print("input image dims: %d x %d" % (W, H)) ...
>>> another_func() 2 The keywords global and nonlocal tell the python interpreter to not declare new variables and look them up in the corresponding outer scopes. Read this short but an awesome guide to learn more about how namespaces and scope resolution works in Python.▶...
Both of these ways require you to declare import os. The following example uses os.environ["myAppSetting"] to get the application setting, with the key named myAppSetting: Python Kopyahin import logging import os import azure.functions as func app = func.FunctionApp() @app.function_name(...
topic\fanout\direct\ passive: druable: True、持久化 auto_delete: internal: arguments:声明一个exchange,如果存在不同属性的exchange会报错默认direct类型: exchange_declare(exchange='test1') 持久化: exchange_declare(exchange='test2',durable=True)queue_delete()queue:队列名 if_unused: if_empty:删除已...
global a = 100 # declare as a global value print a print a # here can not access the a = 100, because fun() not be called yet fun() print a # here can access the a = 100 ### ## other types of parameters def fun(x): print x # the follows are all ok ...
Both of these ways require you to declare import os. The following example uses os.environ["myAppSetting"] to get the application setting, with the key named myAppSetting: Python Copy import logging import os import azure.functions as func app = func.FunctionApp() @app.function_name(name...