Given a string, calculate the frequency of each character.
All characters should be counted. This includes lower and upper case letters, digits, whitespace, special characters, or any other distinct characters.
Use Cmd instead of Ctrl if you're on a Mac.
| g | Focus editor |
| Ctrl-Enter | Run the test with current code |
| Ctrl-Shift-K | Reset the editor |
| Ctrl-Shift-L | Clear console output |
| Ctrl-Shift-X | Show the solution |
| [ | Previous challenge |
| ] | Next challenge |
| T | Back to top page |
| ? | Show this dialog |
| ESC | Hide this dialog |
| Shift-ESC | Blur focus from editor |