# tests logical constant folding in parser def f_true(): print('f_true') return True def f_false(): print('f_false') return False print(0 or False) print(1 or foo) print(f_false() or 1 or foo) print(f_false() or 1 or f_true()) print(0 and foo) print(1 and True) print(f_true() and 0 and foo) print(f_true() and 1 and f_false()) print(not 0) print(not False) print(not 1) print(not True) print(not not 0) print(not not 1)