diff --git a/diy2.py b/diy2.py
new file mode 100644
index 0000000..3d4bdd4
--- /dev/null
+++ b/diy2.py
@@ -0,0 +1,3 @@
+i = 5   # 行
+j = 3   # 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
diff --git a/kjj.py b/kjj.py
new file mode 100644
index 0000000..7235ae8
--- /dev/null
+++ b/kjj.py
@@ -0,0 +1,3 @@
+i=1
+    for j in range(1,10):
+        print(i,"*",j,"=",(j*i),end="  ")
\ No newline at end of file