hi
I am struggling finishing a problem that should be easy. the solution says that I should use brackets but i cannot use it in the problem itself
If the property does not exist, create it and set its value to an array containing the index of the current character. For example: map[letter] = [i]
when i try to type that it only allows me to type map[letter]= _ _ _ [i] and it wont allow me to type it as in the solution above
String Cartography
INSTRUCTIONS
Write a function that takes a string and returns an object.
The object should have a property for each of the string’s characters.
Each property should store an array of indices where the characters are located.
For example: mapString('boohoo') would return:
