# Get creative! Show how to use your module.
# The examples assume that your module is already installed
from pyproj import factorial
if __name__ == '__main__':
print(factorial(10))
def test_factorial_handles_one():
assert pyproj.factorial(1) == 1
def test_factorial_handles_two_through_ten():
expected = [1, 1, 2, 6, 24, 120, 720, 5040,
40320, 362880, 3628800]
assert expected == [pyproj.factorial(i) for i in range(11)]
def test_factorial_handles_zero():
assert pyproj.factorial(0) == 1
def test_factorial_handles_negative():
assert pyproj.factorial(-1) == 1