pycharm highlight

https://www.jetbrains.com/help/pycharm/2017.1/highlighting-usages.html

Highlighting usages in the current file

To highlight usages of a symbol in the current file

1. Place the caret at the selected symbol in the editor. If automatic usages highlighting is enabled, see all its occurrences in the current file highlighted. Otherwise, proceed to the next step.
2. On the main menu, choose Edit | Find | Highlight Usages in File, or press Ctrl+Shift+F7.

Navigating among usages

To navigate among usages, do one of the following

• Click on a stripe in the marker bar to navigate to the respective usage location.
• Use F3 and Shift+F3 keyboard shortcuts, to navigate to the next and previous usages respectively.

Removing highlighting

To remove highlighting of usages

• Press Escape.