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diy.py

-# 和你的小伙伴讲讲史上有名的三英战吕布的故事。然后完成下面挑战，并说说列表切片是什么，怎么用：
-
-# 省略繁杂情节，刘关张三人一起冲入战场，围攻吕布：
-a=['吕布']
-b=['袁术','公孙瓒','关羽','张飞','刘备','曹操']
-
-
+sum = 1
+for i in range(3,8):
+    sum = sum * i
+print(sum)
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diy1.py/o.py

+for i in range(1,1001):
+    for j in range(1,1001):
+        print(i,"*",j,"=",i*j,end=" ")
+    print()
\ No newline at end of file

diy1.py/q.py

+for i in range(1,1001):
+    for j in range(1,i+1):
+        print(i,"*",j,"=",i*j,end=" ")
+    print()
\ No newline at end of file