docs: add french example

SaadBazaz · SaadBazaz · commit ebd876b09693 · 2025-07-20T15:55:22.000+02:00
diff --git a/test/samples/fr/hello.fr.py b/test/samples/fr/hello.fr.py
@@ -0,0 +1 @@
+imprimer("hello world")
diff --git a/universalpython/universalpython.py b/universalpython/universalpython.py
@@ -174,6 +174,9 @@ def main():
     with open(filename) as code_pyfile:
         code = code_pyfile.read()
 
+    # Default mode is 'lex' if not specified
+    mode = args.get('mode', 'lex')
+    
     return run_module(mode, code, args)
 
 if __name__ == "__main__":
