day 1 exercise X:

> The following is an example question

I have tried to 
Can't solve exercise X, where you add two strings together:

I have tried:
```python
"test"n + "test"
```

the following error
```
>>> "test"n + "test"
  File "<stdin>", line 1
    "test"n + "test"
          ^
SyntaxError: invalid syntax
```