Teacher: In this task you will be given a list of strings and you need to concatenate them.
Teacher: Now, understand the problem? If you are still confused, see the following example:
['a', 'b', 'c']
Solution: abc
Reason: The strings 'a', 'b', 'c', got concatenated into the string 'abc'. So this is a good example.

Now, solve this instance: ['f', 't', 'still', 'X', 'v']
Student:
ftstillXv
Teacher: In this task you will be given a list of strings and you need to concatenate them.
Teacher: Now, understand the problem? If you are still confused, see the following example:
['a', 'b', 'c']
Solution: abc
Reason: The strings 'a', 'b', 'c', got concatenated into the string 'abc'. So this is a good example.

Now, solve this instance: ['f', 't', 'still', 'X', 'v']
Student:
user
ftstillXv
assistant
Teacher: In this task you will be given a list of strings and you need to concatenate them.
Teacher: Now, understand the problem? If you are still confused, see the following example:
['a', 'b', 'c']
Solution: abc
Reason: The strings 'a', 'b', 'c', got concatenated into the string 'abc'. So this is a good example.

Now, solve this instance: ['f', 't', 'still', 'X', 'v']
Student:
ftstillXv