Answer:
Reference
Explanation:
i don't know how to explain it but that's the answer
Answer:
expr.at(g) returns a string, not a char. They are not the same thing and that is what the compiler is complaining about.
Answer:
1) List
2) Dictionary
3) Tuple
Explanation:
A list uses square brackets. It is used to store multiple items in just one variable. They are usually changeable and give room for duplicates. You use append to add to the collection.
A dictionary uses curly brackets. You use update to add to the collection. A dictionary is created by placing the elements in curly brackets and separating them with a comma. It is changeable and it does not give room for duplicates.
A tuple uses parentheses. You cannot change it once you create it. It is an ordered list of elements that is finite and can also store multiple items in one variable.
Answer:
Im pretty sure Domain name system but dont trust me
Explanation:
