摘要:
i = 0sum = 0list_num = []while i <10: ran_num = random.randint(1,20) if ran_num not in list_num: list_num.append(ran_num) i+=1 #当条件满足的时候在将i+1,来控制循环次数 阅读全文
摘要:
str5 = input('请输入内容:')str6 = input('请输入要删除的内容:')for i in str6: if i in str5: str5 = str5.replace(i,'')print(str5)#拼接思想str7 = ''str5 = input('请输入内容:')s 阅读全文
摘要:
#思路从str1中随机取出4个字符之后拼接到一起str1 = '1234567890qwertyuiopasdfghjklzxcvbnmQWERTYUIOPASDFGHJKLZXCVBNM'import randomwhile True: code='' for i in range(4): num 阅读全文
摘要:
i表示层,j表示列 通过i与j的关系来控制是正向打印还是逆向打印 正向打印: for i in range(1,10): for j in range (1,10): if j <=i: #第几层打印几个 sum = i*j print(' %d*%d=%d' %(j,i,sum),end ='') 阅读全文