def test_strings(self):
"""Tests the printing behavior. Task 6."""
c1 = Circle(2)
c1_repr= c1.__repr__()
c1_str = c1.__str__()
correct_str = 'A circle with radius 2.00.'
correct_repr = 'Circle (2.00)'
self.assertEqual(c1_repr, correct_repr)
self.assertEqual(c1_str, correct_str)
def test_repr_function():
a = Circle(5)
assert a.__repr__() == "Circle(5)"
