diff --git a/pandas/tests/main.py b/pandas/tests/main.py
new file mode 100644
index 0000000..ec5a10b
--- /dev/null
+++ b/pandas/tests/main.py
@@ -0,0 +1,4 @@
+# slicing by explicit index
+data['a':'c']
+x = y
+h = 4
\ No newline at end of file