from threading import Threadimport threadinglock=threading.Lock()num=100#定义买票方法def sale(name): lock.acquire() global num num=num-1 print(name,"买出一张,剩余:",num,"张!") lock.release() while 1==1: if num>0: c1=Thread(target=sale,args=(&quo
#Author by Andy#_*_ coding:utf-8 _*_import timefrom collections import Iterable#列表生成式def func(): list=[] for i in range(10000000): list.append(i) print(list)#print(list)#[0, 2, 4, 6, 8, 10, 12, 14, 16, 18]generator=(i for i in range(10))#print(type(g
代码段 f =float(input('输入你的工资')) goods=['1.apple','2.mac','3.ph','4.python','5.php'] price=[35,26.5,14,10.5,18] buy=[] costs = price[0] for gs in goods: print("%s:\t%0.02f"%(gs,price[goods.index(gs)])) for ps in price: if costs > ps: costs = ps
1 九九乘法表 for i in range(9):#从0循环到8 i += 1#等价于 i = i+1 for j in range(i):#从0循环到i j += 1 print(j,'*',i,'=',i*j,end = ' ',sep='') # end默认在结尾输出换行,将它改成空格 sep 默认 j,'*',i,'=',i*j 各元素输出中间会有空格 print()#这里作用是输出换行符 i = 1 while i <= 9: j = 1 while j <= i: print(&