import os if not hasattr(os, "remove"): print("SKIP") raise SystemExit # cleanup in case testfile exists try: os.remove("testfile") except OSError: pass # Should create a file f = open("testfile", "a") f.write("foo") f.close() f = open("testfile") print(f.read()) f.close() f = open("testfile", "a") f.write("bar") f.close() f = open("testfile") print(f.read()) f.close() # cleanup try: os.remove("testfile") except OSError: pass