diff --git a/playground/README.md b/playground/README.md
new file mode 100644
index 0000000..3b09d41
--- /dev/null
+++ b/playground/README.md
@@ -0,0 +1 @@
+# playground
\ No newline at end of file
diff --git a/playground/eol-newline.py b/playground/eol-newline.py
new file mode 100644
index 0000000..6002035
--- /dev/null
+++ b/playground/eol-newline.py
@@ -0,0 +1 @@
+a : str = 'b'
diff --git a/playground/eol-newline2.py b/playground/eol-newline2.py
new file mode 100644
index 0000000..aa17926
--- /dev/null
+++ b/playground/eol-newline2.py
@@ -0,0 +1,2 @@
+a : str = 'b'
+
diff --git a/playground/eol-no.py b/playground/eol-no.py
new file mode 100644
index 0000000..47516fc
--- /dev/null
+++ b/playground/eol-no.py
@@ -0,0 +1 @@
+a : str = 'b'
\ No newline at end of file
diff --git a/playground/test-utf8.jl b/playground/test-utf8.jl
new file mode 100644
index 0000000..04d1ca8
--- /dev/null
+++ b/playground/test-utf8.jl
@@ -0,0 +1,2 @@
+ṡ_b
+s̄_b