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2-7-diy1.py

+students = ["悟空", "小贝", "八戒", "波奇"]
+
+# 八戒因为要回老家，转学了，请将八戒从班级列表名单中删除
+students.remove("八戒")
+print(students)
+
+# 班上来了一个新同学，名叫"诺依"，请将"诺依"加入到班级名单里面
+students.append("诺依")
+print(students)
+
+# 班上准备开始辩论赛，分为红（red）、蓝(blue)组，
+# 请用切片将班级列表的前2名加入到红组，后2名加入到蓝组
+red = students[:2]
+blue = students[2:]
+print(red)
+print(blue)
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2-7-diy2.py

+# 需要进行加密的语句
+message = "诺依，周末一起去看动漫展吧！"
+# 请对message进行遍历，取出所有元素
+for i in message:
+    print(i)
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2-7-diy3.py

+# 需要进行加密的语句
+message = "诺依，周末一起去看动漫展吧！"
+# 请对message进行遍历，取出所有元素
+length = len(message)
+i = 0
+while i < length:
+    element = message[i]
+    print(element)
+    i += 1
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2-7-diy4.py

+import random
+
+# 私钥
+key = "abcdefgh使用编程实现位移替换加密，制作密码机关真是太好玩了哈哈！"
+# 要加密语句
+message = "诺依，周末一起去看动漫展吧！"
+# 加密后的语句(密文)
+key_message = ""
+
+# 加密过程
+for i in message:
+    str1 = i
+    str2 = random.choice(key)
+    str3 = random.choice(key)
+    text = str1+str2+str3
+    key_message = key_message + text
+print(key_message)
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2-7-diy5.py

+import random
+
+# 私钥
+key = "abcdefgh使用python实现简单的位移替换加密，制作密码机关真是太好玩了哈哈哈！"
+# 要加密语句
+message = "诺依，周末一起去看动漫展吧！"
+# 最终加密后的语句
+key_message = ""
+# 干扰字符
+noise = "port:@#$%^&"
+for i in message:
+    str1 = i
+    str2 = random.choice(key)
+    str3 = random.choice(key)
+    text = str1+str2+str3
+    key_message = key_message + text
+
+list_message = list(key_message)
+list_message.insert(5, noise)
+result_message = "".join(list_message)
+print(result_message)
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2-7-diy6.py

+import random
+
+# 私钥
+key = "abcdefgh使用python实现简单的位移替换加密，制作密码机关真是太好玩了哈哈哈！"
+# 要加密语句
+message = "诺依，周末一起去看动漫展吧！"
+# 最终加密后的语句
+key_message = ""
+# 干扰字符
+noise = "port:@#$%^&"
+for i in message:
+    str1 = i
+    str2 = random.choice(key)
+    str3 = random.choice(key)
+    text = str1+str2+str3
+    key_message = key_message + text
+
+list_message = list(key_message)
+
+index = random.randint(0, len(key_message))
+list_message.insert(index, noise)
+
+result_message = "".join(list_message)
+print(result_message)
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2-7-diy7.py

+import random
+
+# 私钥
+key = "abcdefgh使用python实现简单的位移替换加密，制作密码机关真是太好玩了哈哈哈！"
+# 要加密语句
+message = input("请输入：")
+# 最终加密后的语句
+key_message = ""
+# 干扰字符
+noise = "port:@#$%^&"
+for i in message:
+    str1 = i
+    str2 = random.choice(key)
+    str3 = random.choice(key)
+    text = str1+str2+str3
+    key_message = key_message + text
+
+list_message = list(key_message)
+
+index = random.randint(0, len(key_message))
+list_message.insert(index, noise)
+
+result_message = "".join(list_message)
+print(result_message)
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