Python os.getenv() Method
Example
Print the value of the environment variable key "HOME":
#Import os Library
import os
#print value of the environment variable key
print (os.getenv("HOME"))
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Definition and Usage
The os.getenv() method returns the value of the environment variable key, if it exists.
Note: This method is available for both Unix and Windows.
Syntax
os.getenv(key, default)
Parameter Values
| Parameter | Description |
|---|---|
| key | Required. The name of the environment variable key |
| default | Optional. Default value in case the key does not exist. If omitted, the value is 'None' |
Technical Details
| Return Value: | A str value, representing value of the environment variable key.
If key does not exists, it returns the value of the default parameter |
|---|---|
| Python Version: | 1.6 |
