diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ab5185a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,121 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# Visual Studio Code
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
\ No newline at end of file
diff --git a/main.py b/main.py
deleted file mode 100755
index 13ac3c2..0000000
--- a/main.py
+++ /dev/null
@@ -1,68 +0,0 @@
-#!/usr/bin/python3
-import sys, getopt
-
-def encrypt(string,key):
-    lowerstr=string.lower()
-    print("Encrypting "+lowerstr+" with key "+key)
-    strnums = []
-    keynums = []
-    resultnums = []
-    resultstring = ""
-    for c in lowerstr:
-        strnums.append(ord(c)-97)
-    print(strnums)
-    for c in key:
-        keynums.append(ord(c)-97)
-    print(keynums)
-    keypointer=0
-    for n in strnums:
-        resultnums.append((n+keynums[keypointer])%26)
-        keypointer = (keypointer+1) % (len(key))
-    print(resultnums)
-    for c in resultnums:
-        resultstring = resultstring+chr(c+97)
-    print(resultstring)
-
-def decrypt(string,key):
-    lowerstr=string.lower()
-    print("Decrypting "+lowerstr+" with key "+key)
-    strnums = []
-    keynums = []
-    resultnums = []
-    resultstring = ""
-    for c in lowerstr:
-        strnums.append(ord(c)-97)
-    print(strnums)
-    for c in key:
-        keynums.append(ord(c)-97)
-    print(keynums)
-    keypointer=0
-    for n in strnums:
-        resultnums.append((n-keynums[keypointer])%26)
-        keypointer = (keypointer+1) % (len(key))
-    print(resultnums)
-    for c in resultnums:
-        resultstring = resultstring+chr(c+97)
-    print(resultstring)
-
-def main(argv):
-    key = ""
-    try:
-        opts, args = getopt.getopt(argv,"hk:e:d:",["key=","encrypt=","decrypt="])
-    except getopt.GetoptError:
-        print('test.py -k <key> -e <plain text>')
-        print('test.py -k <key> -d <encrypted text>')
-        sys.exit(2)
-    for opt, arg in opts:
-        if opt == '-h':
-            print('test.py -k <key> -e <plain text>')
-            print('test.py -k <key> -d <encrypted text>')
-            sys.exit()
-        elif opt in ("-k", "--key"):
-            key = arg
-        elif opt in ("-e", "--encrypt"):
-            encrypt(arg,key)
-        elif opt in ("-d", "--decrypt"):
-            decrypt(arg,key)
-if __name__ == '__main__':
-    main(sys.argv[1:])
\ No newline at end of file