snippet to get the value of an environment variable

snippets/python/get_environment_variable.md

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+# Get a Specific Environment Variable
+*tags:* **os, python**
+
+`os` is a built-in python module to interact with the operating system.
+
+**Snippet**
+```python
+import os
+
+# This is the environment variable that would be fetched.
+# For example here we are getting the 'Path' environment
+# variable
+env_var = 'Path' 
+
+# fetched_result variable holds the value
+# which was to be retrieved
+fetched_result = os.environ[env_var]
+
+```