#方法一: lst=['88','89','90','98','00','99'] for i in range(len(lst)):#永昌成都直接遍历 if lst[i]==0: lst[i]='200'+lst[i] else : lst[i]='19'+lst[i] print(lst) #方法二: 使用enumerate #用函数直接遍历 for i,j in enumerate(lst): if(j==0): lst[i]='200'+j else : lst[i]='19'+j print(lst) lst=[] for i in range(5): value=input('请输入商品编号和商品名称准备入库:') lst.append(value) for i in range(len(lst)): print(lst[i]) buy=[] while True: bu=input('请输入你要购买的商品编号:') flag=True for i in lst: if bu==i[0:4]: flag=False buy.append(i) if flag and bu!='g': print('请输入正确的编号') if bu=='g': break; for i,j in enumerate(buy): print(j) me_dice={ 'G1569':'天津男-萨达 18:06 18:39 00:33', 'G1567':'萨达-发给谁 18:15 18:49 00:34', 'G1579':'天津男-萨达 18:06 18:39 00:33' } print('车次 出发 sa sdaa s sad as ' ) for i in me_dice: print(i,me_dice.get(i)) keys=me_dice.keys() for i in keys: print(i,me_dice.get(i)) k=input('请输入你要买的车的票') s=me_dice.get(k,'请输入正确的') if s=='请输入正确的': breakpoint() s1=input('请输入姓名') print('您已购买了'+k+s+s1+'去取票') j=set() for i in range(1,6): s=input('请输入姓名和联系电话') j.add(s) for i in j: print(i)
标签:实战,me,dice,Python,18,小节,lst,print,input From: https://www.cnblogs.com/cnczj/p/17972078