# Test true-ish value handling if not False: print("False") if not None: print("None") if not 0: print("0") if not "": print("Empty string") if "foo": print("Non-empty string") if not (): print("Empty tuple") if ("",): print("Non-empty tuple") if not []: print("Empty list") if [0]: print("Non-empty list") if not {}: print("Empty dict") if {0:0}: print("Non-empty dict")