>>>a = 3.14<br /> >>>a<br /> 3.14<br /> >>>del a

def a_func():<br /> return 0<br /> a_num = 5<br /> print(dir())<br /> >>> [‘__builtins__’, ‘__doc__’, …, ‘a_func’, ‘a_num’]<br /> for element in dir():<br /> if element[0:2] != “__”:<br /> del globals()[element]</p> <p>del element<br /> print(dir())<br /> >>> [‘__builtins__’, ‘__doc__’, …]

f = 11;<br /> print(f)<br /> del f<br /> print(f)