diff --git a/lesson5_7.py b/lesson5_7.py
new file mode 100644
index 0000000..ff3e4fc
--- /dev/null
+++ b/lesson5_7.py
@@ -0,0 +1,4 @@
+i = 1   # 行
+for j in range(1,10): # 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
+    print(i,'*',j,'=',(i*j),end=("  "))
\ No newline at end of file