python-shell-enable-font-lock

python-shell-enable-font-lock is a variable defined in `python.el'.
Its value is

t

• This variable is an alias for `python-shell-font-lock-enable'.
• This variable is obsolete since 25.1;
  use `python-shell-font-lock-enable' instead.

Documentation:
Should syntax highlighting be enabled in the Python shell buffer?
Restart the Python shell after changing this variable for it to take effect.

You can customize this variable.