os.getenvb(key, default=None)
Return the value of the environment variable key if it exists, or default if it doesn’t. key, default and the result are bytes.
Availability: most flavors of Unix.
New in version 3.2.
os.getenvb(key, default=None)
Return the value of the environment variable key if it exists, or default if it doesn’t. key, default and the result are bytes.
Availability: most flavors of Unix.
New in version 3.2.
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