print(dir(list))
help(list)
输出结果：
['__add__', '__class__', '__contains__', '__delattr__', '__delitem__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__gt__', '__hash__', '__iadd__', '__imul__', '__init__', '__iter__', '__le__', '__len__', '__lt__', '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__reversed__', '__rmul__', '__setattr__', '__setitem__', '__sizeof__', '__str__', '__subclasshook__', 'append', 'clear', 'copy', 'count', 'extend', 'index', 'insert', 'pop', 'remove', 'reverse', 'sort']
Help on class list in module builtins:class list(object)|  list() -> new empty list|  list(iterable) -> new list initialized from iterable's items|  |  Methods defined here:|  |  __add__(self, value, /)|      Return self+value.|  |  __contains__(self, key, /)|      Return key in self.|  |  __delitem__(self, key, /)|      Delete self[key].|  |  __eq__(self, value, /)|      Return self==value.|  |  __ge__(self, value, /)|      Return self>=value.|  |  __getattribute__(self, name, /)|      Return getattr(self, name).|  |  __getitem__(...)|      x.__getitem__(y) <==> x[y]|  |  __gt__(self, value, /)|      Return self>value.|  |  __iadd__(self, value, /)|      Implement self+=value.|  |  __imul__(self, value, /)|      Implement self*=value.|  |  __init__(self, /, *args, **kwargs)|      Initialize self.  See help(type(self)) for accurate signature.|  |  __iter__(self, /)|      Implement iter(self).|  |  __le__(self, value, /)|      Return self<=value.|  |  __len__(self, /)|      Return len(self).|  |  __lt__(self, value, /)|      Return self<value.|  |  __mul__(self, value, /)|      Return self*value.n|  |  __ne__(self, value, /)|      Return self!=value.|  |  __new__(*args, **kwargs) from builtins.type|      Create and return a new object.  See help(type) for accurate signature.|  |  __repr__(self, /)|      Return repr(self).|  |  __reversed__(...)|      L.__reversed__() -- return a reverse iterator over the list|  |  __rmul__(self, value, /)|      Return self*value.|  |  __setitem__(self, key, value, /)|      Set self[key] to value.|  |  __sizeof__(...)|      L.__sizeof__() -- size of L in memory, in bytes|  |  append(...)|      L.append(object) -> None -- append object to end|  |  clear(...)|      L.clear() -> None -- remove all items from L|  |  copy(...)|      L.copy() -> list -- a shallow copy of L|  |  count(...)|      L.count(value) -> integer -- return number of occurrences of value|  |  extend(...)|      L.extend(iterable) -> None -- extend list by appending elements from the iterable|  |  index(...)|      L.index(value, [start, [stop]]) -> integer -- return first index of value.|      Raises ValueError if the value is not present.|  |  insert(...)|      L.insert(index, object) -- insert object before index|  |  pop(...)|      L.pop([index]) -> item -- remove and return item at index (default last).|      Raises IndexError if list is empty or index is out of range.|  |  remove(...)|      L.remove(value) -> None -- remove first occurrence of value.|      Raises ValueError if the value is not present.|  |  reverse(...)|      L.reverse() -- reverse *IN PLACE*|  |  sort(...)|      L.sort(key=None, reverse=False) -> None -- stable sort *IN PLACE*|  |  ----------------------------------------------------------------------|  Data and other attributes defined here:|  |  __hash__ = None