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  • Python列表操作

    自带帮助文档:

    >>> help(list)
    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
    
    >>> 

      

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  • 原文地址:https://www.cnblogs.com/huahuayu/p/8178918.html
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