shebang for python code example
Example 1: python shebang
#!/usr/bin/env python3
Example 2: python3 shebang
#!/usr/bin/python3
Example 3: shebang python
#!/usr/bin/env python
Example 4: using shebang python
dadaist Apr 1 '20 at 8:11: "If your script is Python 3 only
and your target system might have a Python 2 executable in PATH
then I recommend #!/usr/bin/env python3 instead."