12:34:56.78 >>> Call to main in File "/path/to_file.py", line 17
12:34:56.78   17 | def main():
12:34:56.78   18 |     foo = Foo()
12:34:56.78 .......... foo = <tests.samples.watch.Foo object at 0xABC>
12:34:56.78 .......... foo.x = 2
12:34:56.78 .......... len(foo.__dict__["x"] * "abc") = 6
12:34:56.78   19 |     for i in range(2):
12:34:56.78 .......... i = 0
12:34:56.78   20 |         foo.square()
12:34:56.78 .............. foo.x = 4
12:34:56.78 .............. len(foo.__dict__["x"] * "abc") = 12
12:34:56.78   19 |     for i in range(2):
12:34:56.78 .......... i = 1
12:34:56.78   20 |         foo.square()
12:34:56.78 .............. foo.x = 16
12:34:56.78 .............. len(foo.__dict__["x"] * "abc") = 48
12:34:56.78   19 |     for i in range(2):
12:34:56.78 <<< Return value from main: None