diff --git a/README.md b/README.md
new file mode 100644
index 0000000..880684d
--- /dev/null
+++ b/README.md
@@ -0,0 +1,11 @@
+# c2logic
+
+Compiles C code to Mindustry logic.
+
+# Usage
+
+`python3 -m c2logic filename -O optimization_level`
+
+where `filename` is a string and `optimization_level` is an int
+
+See [examples](./examples) for API sample usage.
diff --git a/a.out b/a.out
deleted file mode 100755
index 4f2f6cb..0000000
Binary files a/a.out and /dev/null differ
diff --git a/c2logic/compiler.py b/c2logic/compiler.py
index 3c1ad0b..360c302 100644
--- a/c2logic/compiler.py
+++ b/c2logic/compiler.py
@@ -41,7 +41,6 @@ class Compiler(c_ast.NodeVisitor):
 		self.loop_start = None
 		self.cond_jump_offset = None
 		ast = parse_file(filename, use_cpp=True, cpp_args=["-I", "include/"])
-		print(ast)
 		self.visit(ast)
 		#TODO actually handle functions properly
 		out = []
@@ -93,8 +92,6 @@ class Compiler(c_ast.NodeVisitor):
 		#in case for loop is the last thing in a function to ensure the jump target is valid
 		#TODO avoid this when for loop isn't last thing
 		self.push(Noop())
-		
-		print(self.curr_function)
 		self.functions.append(self.curr_function)
 	
 	def visit_Decl(self, node):
@@ -160,7 +157,6 @@ class Compiler(c_ast.NodeVisitor):
 		self.loop_start = len(self.curr_function.instructions)
 		self.visit(node.cond)
 		# jump over loop body when cond is false
-		print(self.peek())
 		if isinstance(self.peek(), BinaryOp):
 			self.push(RelativeJump(None, JumpCondition.from_binaryop(self.pop())))
 		else:
@@ -302,7 +298,12 @@ class Compiler(c_ast.NodeVisitor):
 			raise NotImplementedError(node)
 
 def main():
-	print(Compiler(opt_level=1).compile("examples/test.c"))
+	import argparse
+	parser = argparse.ArgumentParser()
+	parser.add_argument("file")
+	parser.add_argument("-O", "--optimization-level", type=int, default=1)
+	args = parser.parse_args()
+	print(Compiler(args.optimization_level).compile(args.file))
 
 if __name__ == "__main__":
 	main()
\ No newline at end of file
diff --git a/examples/test2.c b/examples/control_flow.c
similarity index 100%
rename from examples/test2.c
rename to examples/control_flow.c
diff --git a/examples/test.c b/examples/funcs.c
similarity index 100%
rename from examples/test.c
rename to examples/funcs.c
diff --git a/setup.py b/setup.py
index 0c1b1fc..8bd3318 100755
--- a/setup.py
+++ b/setup.py
@@ -4,10 +4,10 @@ with open("README.md", "r") as f:
 setuptools.setup(
 	name="c2logic",
 	version="0.1",
-	descripton="Compile c to mindustry logic.",
+	descripton="Compiles C code to mindustry logic.",
 	long_description=long_description,
 	long_description_content_type="text/markdown",
-	packages=["c2logic"], 
+	packages=["c2logic"],
 	license="MIT",
 	author="SuperStormer",
 	url="https://github.com/SuperStormer/c2logic",