list_pratisce=[45,69,8,19,9]n=len(list_pratisce)forjinrange(n):foriinrange(n-1):iflist_pratisce[i]>list_pratisce[i+1]:temp=list_pratisce[i]list_pratisce[i]=list_pratisce[i+1]list_pratisce[i+1]=temp
'''切片复制时的id值与直接赋值的列表不一样'''list_pratisce=[5,6,8,9,19]list_pratisce_backup=list_pratiscelist_pratisce_backup_qiepian=list_pratisce[:]print('list_pratisce的值是:',id(list_pratisce),'list_pratisce_backup的值是:
'''取列表中最大索引值www.pythontutor.com'''list_group=[5,90,59,132,54]max_index=0list_index=0fornuminlist_group:ifnum>list_group[max_index]:max_index=list_indexlist_index+=1print(max_index)
importrandomrandom_num=random.randint(0,100)print('thisnumberis:',random_num)count=0whilecount<5:count+=1number=int(input('pleaseinputyournumber:'))ifrandom_num==number:print("congruation!youmakeco
'''11=112=222=413=323=633=914=424=834=1244=16..................................................9*9=81'''#第一种方式foriinrange(1,10):print()#用来保证下面j的循环结束后,再次进入i循环时,输出回车,区分上下两行forjin
openvxn原理以及流程图
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