add opensw1.py

+#!/usr/bin/env python
+# coding: utf-8
+
+# In[2]:
+
+
+for i in range(2,10) :
+    for j in range(1,10) :
+        print(i, "*", j , "= " ,i*j)
+    print()
+
+
+# In[ ]:
+
+
+
+