cleanup and rename

examples/hello_world.py

@@ -0,0 +1,28 @@
+from pythonbpf import bpf, section, bpfglobal, compile, BPF
+from ctypes import c_void_p, c_int64
+
+# Instructions to how to run this program
+# 1. Install PythonBPF: pip install pythonbpf
+# 2. Run the program: sudo python examples/hello_world.py
+# 4. Start up any program and watch the output
+
+
+@bpf
+@section("tracepoint/syscalls/sys_enter_execve")
+def hello_world(ctx: c_void_p) -> c_int64:
+    print("Hello, World!")
+    return c_int64(0)
+
+@bpf
+@bpfglobal
+def LICENSE() -> str:
+    return "GPL"
+
+b = BPF()
+b.load_and_attach()
+if b.is_loaded() and b.is_attached():
+    print("Successfully loaded and attached")
+else:
+    print("Could not load successfully")
+
+# Now cat /sys/kernel/debug/tracing/trace_pipe to see results of the execve syscall.