Convert cpp20_spaceship_operator php test to python

Examples/test-suite/python/cpp20_spaceship_operator_runme.py

@@ -0,0 +1,19 @@
+from cpp20_spaceship_operator import *
+
+def check_equal(a, b):
+    if a != b:
+        raise RuntimeError("{} is not equal to {}".format(a, b))
+
+# check_equal(ALIEN, true)
+check_equal(SPACE, 1)
+check_equal(COMET, 1)
+check_equal(cvar.v, 42)
+
+x = A(1)
+y = A(2)
+
+check_equal(spaceship(x, y) < 0, True)
+check_equal(spaceship(x, x), 0)
+check_equal(spaceship(y, x) > 0, True)
+
+check_equal(f(), 42)