理解functools.partial()

• functools

  functools : Higher-order functions and operations on callable objects.

• functools.partial(func,/,*args,**keywords)

  Return a new partial object which when called will hehave like func called with the positional arguments args and keyword arguments keywords.

  Is used for partial function application which “freezes” some portion of a function’s arguments and/or keywords resulting in a new object with s simplified signature.

• partial Objects

  partial objects are callable objects created by partial(). They have three read-only attributes:

  partial.func

  partial.args

  partial.keywords