save project

xx.py

-a=['吕布']
-b=['袁术','公孙瓒','关羽','张飞','刘备','曹操']
-a.extend(b[2:5])
-print(a)
\ No newline at end of file
+# a=['吕布']
+# b=['袁术','公孙瓒','关羽','张飞','刘备','曹操']
+# a.extend(b[2:5])
+# print(a)
+
+# str1="bellcode"
+# print(str1[4:8])
+
+# hero={'wx':30}
+# hero["wx"]==100
+# print(hero)
+
+# text=["p","y"]
+# print(text[0:2])
+
+# str1="本节课我们学习文字加密"
+# str2="用Python进行"
+# list1=list[str1]
+# insert(str1[1,str2])
+# print(text)
+
+list1={"c":67}
+print(list1["c"])
+