diff --git a/.gitignore b/.gitignore
index 68bc17f..fbca8b3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@ __pycache__/
 
 # C extensions
 *.so
+*.save
 
 # Distribution / packaging
 .Python
@@ -25,6 +26,7 @@ share/python-wheels/
 .installed.cfg
 *.egg
 MANIFEST
+devenv/
 
 # PyInstaller
 #  Usually these files are written by a python script from a template
diff --git a/LICENSE b/hw1/LICENSE
similarity index 100%
rename from LICENSE
rename to hw1/LICENSE
diff --git a/README.md b/hw1/README.md
similarity index 100%
rename from README.md
rename to hw1/README.md
diff --git a/controls/__init__.py b/hw1/controls/__init__.py
similarity index 100%
rename from controls/__init__.py
rename to hw1/controls/__init__.py
diff --git a/doc/Makefile b/hw1/doc/Makefile
similarity index 100%
rename from doc/Makefile
rename to hw1/doc/Makefile
diff --git a/doc/make.bat b/hw1/doc/make.bat
similarity index 100%
rename from doc/make.bat
rename to hw1/doc/make.bat
diff --git a/doc/source/conf.py b/hw1/doc/source/conf.py
similarity index 100%
rename from doc/source/conf.py
rename to hw1/doc/source/conf.py
diff --git a/doc/source/controls.rst b/hw1/doc/source/controls.rst
similarity index 100%
rename from doc/source/controls.rst
rename to hw1/doc/source/controls.rst
diff --git a/doc/source/index.rst b/hw1/doc/source/index.rst
similarity index 100%
rename from doc/source/index.rst
rename to hw1/doc/source/index.rst
diff --git a/doc/source/make.bat b/hw1/doc/source/make.bat
similarity index 100%
rename from doc/source/make.bat
rename to hw1/doc/source/make.bat
diff --git a/setup.py b/hw1/setup.py
similarity index 100%
rename from setup.py
rename to hw1/setup.py
diff --git a/nano.2226.save b/nano.2226.save
deleted file mode 100644
index 8b0fd57..0000000
--- a/nano.2226.save
+++ /dev/null
@@ -1,14 +0,0 @@
-[build-system]
-requires = ["sip >=5, <6"]
-build-backend = "sipbuild.api"
-
-[tool.sip.metadata]
-name = "pyfoo"
-version = "0.1"
-license = "MIT"
-
-[tool.sip.bindings.pyfoo]
-headers = ["foo.h"]
-libraries = ["foo"]
-include-dirs = ["foo"]
-library-dirs = ["foo/bin"]
diff --git a/time_execution/.gitignore b/time_execution/.gitignore
new file mode 100644
index 0000000..ae733bc
--- /dev/null
+++ b/time_execution/.gitignore
@@ -0,0 +1,4 @@
+3_9_cpython/
+3_11_cpython/
+pypy3.9-v7.3.13-linux64/
+venv-pypy/
\ No newline at end of file
diff --git a/time_execution/Readme.md b/time_execution/Readme.md
new file mode 100644
index 0000000..e69de29
diff --git a/time_execution/pypy3.9-v7.3.13-linux64.tar.bz2 b/time_execution/pypy3.9-v7.3.13-linux64.tar.bz2
deleted file mode 100644
index d345030..0000000
Binary files a/time_execution/pypy3.9-v7.3.13-linux64.tar.bz2 and /dev/null differ