feat: add none_test.py, subprocess_test.py

none_test.py

@@ -0,0 +1,10 @@
+#!/usr/bin/env python3
+
+if __name__ == "__main__":
+    b = None
+    print(b, ',', b is None, ',', b is not None, ',', b or False)
+    b = True
+    print(b, ',', b is None, ',', b is not None, ',', b or False)
+
+    s: str = None
+    print(s, ',', s is None, ',', s or "value::test")

subprocess_test.py

@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+
+import subprocess
+
+if __name__ == "__main__":
+    result = subprocess.run(
+        ['curl', 'https://hatter.ink/ip.action'],
+        capture_output=True,
+        text=True,
+        # timeout=30,
+    )
+    print('return code:', result.returncode)
+    print(result.stdout)