diff --git a/rust_over_pyo3/main.py b/rust_over_pyo3/main.py
new file mode 100644
index 0000000..3a73761
--- /dev/null
+++ b/rust_over_pyo3/main.py
@@ -0,0 +1,20 @@
+from typing import Optional
+from click import command, option
+from rust_over_pyo3 import compute
+
+
+@command()
+@option('--add', 'command', flag_value='add')
+@option('--sub', 'command', flag_value='sub')
+@option('--mul', 'command', flag_value='mul')
+@option('--arg1', help='First complex number in the form x+yj')
+@option('--arg2', help='Second complex number in the form x\'+y\'j')
+def cli(command: Optional[str], arg1: Optional[str], arg2: Optional[str]) -> None:
+    n1: complex = complex(arg1)
+    n2: complex = complex(arg2)
+    result: complex = compute(command, n1, n2)
+    print(result)
+
+
+if __name__ == '__main__':
+    cli()
diff --git a/rust_over_pyo3/requirements.txt b/rust_over_pyo3/requirements.txt
new file mode 100644
index 0000000..2f72dd5
--- /dev/null
+++ b/rust_over_pyo3/requirements.txt
@@ -0,0 +1 @@
+click==8.1.7