Day4作业

#print(3>4 or 4<3 and 1&＃61;&＃61;1)
# f or f
# f
# x or y x为真&＃xff0c;返回x,否则返回y
# x and y x为真&＃xff0c;返回y&＃xff0c;否则返回x
#print(2 > 1 and 0)
#print(1 <2 and 3 <4 or 1>2)
# t or f
# t

#print(2 > 1 and 3 <4 or 4 > 5 and 2 <1)
#t or f
#t

#print(1 > 2 and 3 <4 or 4 > 5 and 2 > 1 or 9 <8)
#f or f or f
#f


#print(1 > 1 and 3 <4 or 4 > 5 and 2 > 1 and 9 > 8 or 7 <6)
# f or f or f
#f

#print(not 2 > 1 and 3 <4 or 4 > 5 and 2 > 1 and 9 > 8 or 7 <6)
#f or f or f
#f
#1-2&＃43;3-4...&＃43;99除88以外的所有数的总和
# sum &＃61; 0
# count &＃61; 0
# while count <99:
# count &＃43;&＃61; 1 #输出1-99
# #print(count)
# if count &＃61;&＃61; 88:
# continue
# if count % 2 &＃61;&＃61; 0:
# sum -&＃61; count
# else:
# sum &＃43;&＃61; count
# print(sum)
#
# digit &＃61; 3 #计次
# while digit > 0:
# username &＃61; input(&＃39;请输入账号>>>&＃39;)
# if username &＃61;&＃61; &＃39;%s&＃39;%username :
# print(&＃39;账号输入正确&＃xff01;&＃39;)
# user &＃61; username
# password &＃61; input(&＃39;请输入密码>>>&＃39;)
# if password &＃61;&＃61; &＃39;jun&＃39;:
# print(&＃39;&＃39;&＃39;登录成功&＃xff01;
# 您的账号为%s
# 您的密码为%s&＃39;&＃39;&＃39;%(username,password))
# break
# else:
# digit -&＃61; 1
# print(&＃39;密码输入有误&＃xff0c;请重新输入&＃xff0c;您还有%s次机会&＃39; %digit)
#
#
# else:
# digit -&＃61; 1
# print(&＃39;账号输入有误&＃xff0c;请重新输入&＃xff0c;您还有%s次机会&＃39;%digit)
# else:
# print(&＃39;要点脸行不&＃xff01;&＃39;)
# s &＃61; input(&＃39;>>&＃39;)
# if s:
# print(&＃39;bu为空&＃39;)
# else:print(&＃39;为空&＃39;)
# s &＃61; input(&＃39;>>>&＃39;)
#
# for x in s:
# if not x.isdigit():#如果x不是数字
# s &＃61; s.replace(x,&＃39; &＃39;) #把不是数字的替换成空格
#
# s1 &＃61; s.split(&＃39; &＃39;) #分割文本
# print(s1)
# sum &＃61; 0
# for x in s1:
# if x.isdigit(): #如果是数字&＃xff0c;就自加
# sum &＃43;&＃61; int(x)
#
# print(sum)
# li &＃61; [&＃39;alex&＃39;,&＃39;wusir&＃39;,&＃39;eric&＃39;,&＃39;rain&＃39;,&＃39;alex&＃39;]
# print(len(li))
# li.append(&＃39;seven&＃39;)
# print(li)
# li.insert(0,&＃39;tony&＃39;)
# print(li)
# li[1] &＃61; &＃39;Kelly&＃39;
# l2 &＃61; [1,&＃39;a&＃39;,3,4,&＃39;heart&＃39;]
# li.extend(l2)
# s &＃61; &＃39;qwert&＃39;
# li.extend(s)
# del li[1:4]
# li.reverse()
# print(li.count(&＃39;alex&＃39;))

# li &＃61; [1,3,2,&＃39;a&＃39;,4,&＃39;b&＃39;,5,&＃39;c&＃39;]
# l1 &＃61; li[0:3]
# l1.sort()
# l1 &＃61; li[3:-2]
# l1 &＃61; li[0:-1:2]
# l1 &＃61; li[1:-2:2]
# l1 &＃61; li[-1:]
# l1 &＃61; li[-3:0:-2]
# li &＃61; [2,3,&＃39;k&＃39;,[&＃39;qwe&＃39;,20,[&＃39;k1&＃39;,[&＃39;tt&＃39;,3,&＃39;1&＃39;]],89],&＃39;ab&＃39;,&＃39;adv&＃39;]

# li[3][2][1][0] &＃61; li[3][2][1][0].upper()
# li[3][2][1][0] &＃61; &＃39;TT&＃39;

# 5,查找列表li中的元素&＃xff0c;移除每个元素的空格&＃xff0c;
# 并找出以’A’或者’a’开头&＃xff0c;并以’c’结尾的所有元素&＃xff0c;
# 并添加到一个新列表中,最后循环打印这个新列表。
# li &＃61; [&＃39;taibai &＃39;,&＃39;alexC&＃39;,&＃39;AbC &＃39;,&＃39;egon&＃39;,&＃39; Ritian&＃39;,&＃39; Wusir&＃39;,&＃39; aqc&＃39;]
# l1 &＃61; []
# for x in li:
# i &＃61; x.strip() #查找列表li中的元素&＃xff0c;移除每个元素的空格
# s &＃61; i.lower()
# print(s)
# if s.startswith(&＃39;a&＃39;) and s.endswith(&＃39;c&＃39;): #并找出以’A’或者’a’开头&＃xff0c;并以’c’结尾的所有元素&＃xff0c;
# l1.append(i)
# print(l1)


# 6、开发敏感词语过滤程序&＃xff0c;提示用户输入评论内容&＃xff0c;如果用户输入的内容中包含特殊的字符&＃xff1a;
# 敏感词列表 li &＃61; ["苍老师","东京热",”武藤兰”,”波多野结衣”]
# 则将用户输入的内容中的敏感词汇替换成***&＃xff0c;并添加到一个列表中&＃xff1b;
# 如果用户输入的内容没有敏感词汇&＃xff0c;则直接添加到上述的列表中。
# li &＃61; ["苍老师","东京热","武藤兰","波多野结衣"]
# new_li &＃61;[]
# s &＃61; input(&＃39;>>>>&＃39;)
# for x in li:
# if x in s:
# s &＃61; s.replace(x,&＃39;*&＃39;*len(x))
# print(s)
# new_li.append(s)
#
# print(new_li)