"""
PyDoc demo
Use with "-v" option to see test details.
"""
def squared(n):
""" (number) -> number
Precondition: n is a number
Return n squared. If a float, round to one decimal place.
>>> squared(-2)
4
>>> squared(2)
4
>>> squared(1.2)
1.4
>>> squared(0.0)
0.0
>>> squared(0)
0
"""
n = n*n
if type(n) == float:
return round(n,1)
else:
return n
# comment the following out after tests are complete
if __name__ == '__main__':
import doctest
print (doctest.testmod())