diff --git a/_posts/2020-07-14-python-3-cheatsheet.md b/_posts/2020-07-14-python-3-cheatsheet.md
index 7600825..9a643b6 100644
--- a/_posts/2020-07-14-python-3-cheatsheet.md
+++ b/_posts/2020-07-14-python-3-cheatsheet.md
@@ -1,7 +1,7 @@
 ---
 title: Python 3 cheatsheet
 tags: [python3, python, cheatsheet]
-updated: 2021-04-18 23:10
+updated: 2021-04-19 00:13
 description: A series of instructions in Python I use frequently on several projects
 ---
 
@@ -46,9 +46,10 @@ This is a list of instructions I use frequently in:
 | get full path | `str(pathlib.Path(shlex.quote(directory: str), shlex.quote(file: str)))` | `import pathlib, shlex` |
 | remove file extension | `pathlib.Path(shlex.quote(path: str)).stem` | `import pathlib, shlex` |
 | get file extension | `pathlib.Path(shlex.quote(path: str)).suffix` | `import pathlib, shlex` |
+| get the path of a configuration file | `configuration_file = shlex.quote(sys.argv[1])` | `import shlex, sys` |
 
 ## PyYAML
 
 | Description | Code                                            | Imports |
 |-------------|-------------------------------------------------|---------|
-| load a YAML file | `yaml.load(open('a.yaml', 'r'),  Loader=yaml.SafeLoader)` | `import yaml` |
+| load a YAML file | `config = yaml.load(open(file: str, 'r'), Loader=yaml.SafeLoader)` | `import yaml` |