摘要：
# for i in l:# pass 从生成器中取值的几个方法 def averager(): average = None sum = 0 count = 0 while True: num = yield average count+=1 sum += num average = sum/co 阅读全文
摘要：
30以内所有能被3整除的数 ret = [i for i in range(30) if i%3 == 0] #完整的列表推导式 g = (i for i in range(30) if i%3 == 0) #完整的列表推导式 print(ret) ret = [i*i for i in (1,2, 阅读全文