| 
!=
    operator% formatting% interpolation%PATH%%PYTHONPATH%*
    statement, [1]**
    statement, [1]--help
    command line option--version
    command line option-3
    command line option-B
    command line option-c <command>
    command line option-d
    command line option-E
    command line option-h
    command line option-i
    command line option-m <module-name>
    command line option-O
    command line option-OO
    command line option-Q <arg>
    command line option-S
    command line option | 
-s
    command line option-t
    command line option-u
    command line option-V
    command line option-v
    command line option-W arg
    command line option-x
    command line option....ini
    file.pdbrc
    file.pythonrc.py
    file2to3<
    operator<=
    operator<protocol>_proxy==
    operator>
    operator>=
    operator>>>@
    statement |