I'm not exactly sure what to do here. I've tried other ways of writing this by writing n=10 in the second function or removing "return" in the last line. Nothing seems to get it to work. Any help with be appreciated! Thanks!

https://www.codecademy.com/courses/python-beginner-c7VZg/1/2?curriculum_id=4f89dab3d788890003000096#

File "python", line 9

def square(10):

^

SyntaxError: invalid syntax

```
def square(n):
"""Returns the square of a number."""
squared = n**2
print "%d squared is %d." % (n, squared)
return squared
# Call the square function on line 9! Make sure to
# include the number 10 between the parentheses.
def square(10):
"""Returns the square of a number."""
squared = n**2
print "%d squared is %d." % (n, squared)
return squared
```