save project

6.py

+bro1="刘备"
+bro2="关羽"
+bro3="张飞"
+bros=[bro1,bro2,bro3]
+print(bros)
+bros[0]=bro2
+bros[1]=bro1
+print(bros)
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diy2.py

-for i in range(1,10):  # 行
-    for j in range(1,i+1):
-        print(j,"×",i,"=",(j*i),end=" ")
-    print()   # 列
-# 使用变量i和j，代替乘法算式里面的元素，打印出单个乘法算式
+# for i in range(1,10):  # 行
+#     for j in range(1,i+1):
+#         print(j,"×",i,"=",(j*i),end=" ")
+#     print()   # 列
+# # 使用变量i和j，代替乘法算式里面的元素，打印出单个乘法算式
+
+list = [0,'1','2',3,4,'5']
+print(list[:7])
+i = range(1,10,2)
+print(i)
+
+for i in range(1,10,2)
+    print(i,)
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