del all variables python
def a_func():
return 0
a_num = 5
print(dir())
>>> ['__builtins__', '__doc__', ..., 'a_func', 'a_num']
for element in dir():
if element[0:2] != "__":
del globals()[element]
del element
print(dir())
>>> ['__builtins__', '__doc__', ...]