Python inheritance add new init on child

-1

https://pastebin.com/GyPzN8Yz

I want to initiate and calculate volume from TwoDim class without repeat to define length and wide, and without to make instance of TwoDim but direct create ThreeDim.

class TwoDim():

    def __init__(self, length, width):

        self.length = length

        self.width = width

        self.square = self.length * self.width



class ThreeDim(TwoDim):

    def __init__(self, height):

        self.height = height

        self.volume = self.square * self.height

I try someting like this, but still not work..

class TwoDim(): 

    def __init__(self, length, width): 

        self.length = length 

        self.width = width 

        self.square = self.length * self.width 



class ThreeDim(TwoDim): 

    def __init__(self, length, width, height): 

        super().__init__(self, length, width, height) 

        self.height = height 

        self.volume = self.square * self.height 



block = ThreeDim(length = 10, width = 5, height = 4)

edited Nov 19 '18 at 13:43

stovfl

7,79631031

asked Nov 19 '18 at 13:17

Riska Kurnianto

215

Probably helpful: docs.python.org/3.7/library/functions.html#super

– colidyre
Nov 19 '18 at 13:20

I try someting like this, but still not work.. <code> class TwoDim(): def __init__(self, length, width): self.length = length self.width = width self.square = self.length * self.width class ThreeDim(TwoDim): def __init__(self, length, width, height): super().__init__(self, length, width, height) self.height = height self.volume = self.square * self.height block = ThreeDim(length = 10, width = 5, height = 4) </code>

– Riska Kurnianto
Nov 19 '18 at 13:33

super().__init__(self, length, width, height) -> super().__init__(self, length, width)

– Corentin Limier
Nov 19 '18 at 13:51

add a comment |

-1

https://pastebin.com/GyPzN8Yz

I want to initiate and calculate volume from TwoDim class without repeat to define length and wide, and without to make instance of TwoDim but direct create ThreeDim.

class TwoDim():

    def __init__(self, length, width):

        self.length = length

        self.width = width

        self.square = self.length * self.width



class ThreeDim(TwoDim):

    def __init__(self, height):

        self.height = height

        self.volume = self.square * self.height

I try someting like this, but still not work..

class TwoDim(): 

    def __init__(self, length, width): 

        self.length = length 

        self.width = width 

        self.square = self.length * self.width 



class ThreeDim(TwoDim): 

    def __init__(self, length, width, height): 

        super().__init__(self, length, width, height) 

        self.height = height 

        self.volume = self.square * self.height 



block = ThreeDim(length = 10, width = 5, height = 4)

edited Nov 19 '18 at 13:43

stovfl

7,79631031

asked Nov 19 '18 at 13:17

Riska Kurnianto

215

Probably helpful: docs.python.org/3.7/library/functions.html#super

– colidyre
Nov 19 '18 at 13:20

I try someting like this, but still not work.. <code> class TwoDim(): def __init__(self, length, width): self.length = length self.width = width self.square = self.length * self.width class ThreeDim(TwoDim): def __init__(self, length, width, height): super().__init__(self, length, width, height) self.height = height self.volume = self.square * self.height block = ThreeDim(length = 10, width = 5, height = 4) </code>

– Riska Kurnianto
Nov 19 '18 at 13:33

super().__init__(self, length, width, height) -> super().__init__(self, length, width)

– Corentin Limier
Nov 19 '18 at 13:51

add a comment |

-1

https://pastebin.com/GyPzN8Yz

I want to initiate and calculate volume from TwoDim class without repeat to define length and wide, and without to make instance of TwoDim but direct create ThreeDim.

class TwoDim():

    def __init__(self, length, width):

        self.length = length

        self.width = width

        self.square = self.length * self.width



class ThreeDim(TwoDim):

    def __init__(self, height):

        self.height = height

        self.volume = self.square * self.height

I try someting like this, but still not work..

class TwoDim(): 

    def __init__(self, length, width): 

        self.length = length 

        self.width = width 

        self.square = self.length * self.width 



class ThreeDim(TwoDim): 

    def __init__(self, length, width, height): 

        super().__init__(self, length, width, height) 

        self.height = height 

        self.volume = self.square * self.height 



block = ThreeDim(length = 10, width = 5, height = 4)

edited Nov 19 '18 at 13:43

stovfl

7,79631031

asked Nov 19 '18 at 13:17

Riska Kurnianto

215

https://pastebin.com/GyPzN8Yz

I want to initiate and calculate volume from TwoDim class without repeat to define length and wide, and without to make instance of TwoDim but direct create ThreeDim.

class TwoDim():

    def __init__(self, length, width):

        self.length = length

        self.width = width

        self.square = self.length * self.width



class ThreeDim(TwoDim):

    def __init__(self, height):

        self.height = height

        self.volume = self.square * self.height

I try someting like this, but still not work..

class TwoDim(): 

    def __init__(self, length, width): 

        self.length = length 

        self.width = width 

        self.square = self.length * self.width 



class ThreeDim(TwoDim): 

    def __init__(self, length, width, height): 

        super().__init__(self, length, width, height) 

        self.height = height 

        self.volume = self.square * self.height 



block = ThreeDim(length = 10, width = 5, height = 4)

python inheritance

edited Nov 19 '18 at 13:43

stovfl

7,79631031

asked Nov 19 '18 at 13:17

Riska Kurnianto

215

edited Nov 19 '18 at 13:43

stovfl

7,79631031

asked Nov 19 '18 at 13:17

Riska Kurnianto

215

edited Nov 19 '18 at 13:43

stovfl

7,79631031

edited Nov 19 '18 at 13:43

stovfl

7,79631031

edited Nov 19 '18 at 13:43

stovfl

7,79631031

asked Nov 19 '18 at 13:17

Riska Kurnianto

215

asked Nov 19 '18 at 13:17

Riska Kurnianto

215

asked Nov 19 '18 at 13:17

Riska Kurnianto

215

Probably helpful: docs.python.org/3.7/library/functions.html#super

– colidyre
Nov 19 '18 at 13:20

I try someting like this, but still not work.. <code> class TwoDim(): def __init__(self, length, width): self.length = length self.width = width self.square = self.length * self.width class ThreeDim(TwoDim): def __init__(self, length, width, height): super().__init__(self, length, width, height) self.height = height self.volume = self.square * self.height block = ThreeDim(length = 10, width = 5, height = 4) </code>

– Riska Kurnianto
Nov 19 '18 at 13:33

super().__init__(self, length, width, height) -> super().__init__(self, length, width)

– Corentin Limier
Nov 19 '18 at 13:51

add a comment |

Probably helpful: docs.python.org/3.7/library/functions.html#super

– colidyre
Nov 19 '18 at 13:20

I try someting like this, but still not work.. <code> class TwoDim(): def __init__(self, length, width): self.length = length self.width = width self.square = self.length * self.width class ThreeDim(TwoDim): def __init__(self, length, width, height): super().__init__(self, length, width, height) self.height = height self.volume = self.square * self.height block = ThreeDim(length = 10, width = 5, height = 4) </code>

– Riska Kurnianto
Nov 19 '18 at 13:33

super().__init__(self, length, width, height) -> super().__init__(self, length, width)

– Corentin Limier
Nov 19 '18 at 13:51

Probably helpful: docs.python.org/3.7/library/functions.html#super

– colidyre
Nov 19 '18 at 13:20

I try someting like this, but still not work.. <code> class TwoDim(): def __init__(self, length, width): self.length = length self.width = width self.square = self.length * self.width class ThreeDim(TwoDim): def __init__(self, length, width, height): super().__init__(self, length, width, height) self.height = height self.volume = self.square * self.height block = ThreeDim(length = 10, width = 5, height = 4) </code>

– Riska Kurnianto
Nov 19 '18 at 13:33

super().__init__(self, length, width, height) -> super().__init__(self, length, width)

– Corentin Limier
Nov 19 '18 at 13:51

add a comment |

1 Answer
1

active

oldest

votes

Python 3 :

class ThreeDim(TwoDim):

    def __init__(self, length, width, height):

        super().__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

Python 2 :

class ThreeDim(TwoDim, object):

    def __init__(self, length, width, height):

        super(ThreeDim, self).__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

Or :

class TwoDim(object):

    def __init__(self, length, width):

        self.length = length

        self.width = width

        self.square = self.length * self.width



class ThreeDim(TwoDim):

    def __init__(self, length, width, height):

        super(ThreeDim, self).__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

(classes need to inherit from object to use super() and that's one of the reason why python3 syntax is easier.)

Don't forget the self parameter on TwoDim :

class TwoDim():

    def __init__(self, length, width):

        self.length = length

        self.width = width

        self.square = self.length * self.width

edited Nov 19 '18 at 13:37

answered Nov 19 '18 at 13:24

Corentin Limier

2,054159

Thank you so much, now i learn great from this. big thanks..

– Riska Kurnianto
Nov 19 '18 at 13:37

add a comment |

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1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

Python 3 :

class ThreeDim(TwoDim):

    def __init__(self, length, width, height):

        super().__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

Python 2 :

class ThreeDim(TwoDim, object):

    def __init__(self, length, width, height):

        super(ThreeDim, self).__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

Or :

class TwoDim(object):

    def __init__(self, length, width):

        self.length = length

        self.width = width

        self.square = self.length * self.width



class ThreeDim(TwoDim):

    def __init__(self, length, width, height):

        super(ThreeDim, self).__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

(classes need to inherit from object to use super() and that's one of the reason why python3 syntax is easier.)

Don't forget the self parameter on TwoDim :

class TwoDim():

    def __init__(self, length, width):

        self.length = length

        self.width = width

        self.square = self.length * self.width

edited Nov 19 '18 at 13:37

answered Nov 19 '18 at 13:24

Corentin Limier

2,054159

Thank you so much, now i learn great from this. big thanks..

– Riska Kurnianto
Nov 19 '18 at 13:37

add a comment |

Python 3 :

class ThreeDim(TwoDim):

    def __init__(self, length, width, height):

        super().__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

Python 2 :

class ThreeDim(TwoDim, object):

    def __init__(self, length, width, height):

        super(ThreeDim, self).__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

Or :

class TwoDim(object):

    def __init__(self, length, width):

        self.length = length

        self.width = width

        self.square = self.length * self.width



class ThreeDim(TwoDim):

    def __init__(self, length, width, height):

        super(ThreeDim, self).__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

(classes need to inherit from object to use super() and that's one of the reason why python3 syntax is easier.)

Don't forget the self parameter on TwoDim :

class TwoDim():

    def __init__(self, length, width):

        self.length = length

        self.width = width

        self.square = self.length * self.width

edited Nov 19 '18 at 13:37

answered Nov 19 '18 at 13:24

Corentin Limier

2,054159

Thank you so much, now i learn great from this. big thanks..

– Riska Kurnianto
Nov 19 '18 at 13:37

add a comment |

Python 3 :

class ThreeDim(TwoDim):

    def __init__(self, length, width, height):

        super().__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

Python 2 :

class ThreeDim(TwoDim, object):

    def __init__(self, length, width, height):

        super(ThreeDim, self).__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

Or :

class TwoDim(object):

    def __init__(self, length, width):

        self.length = length

        self.width = width

        self.square = self.length * self.width



class ThreeDim(TwoDim):

    def __init__(self, length, width, height):

        super(ThreeDim, self).__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

(classes need to inherit from object to use super() and that's one of the reason why python3 syntax is easier.)

Don't forget the self parameter on TwoDim :

class TwoDim():

    def __init__(self, length, width):

        self.length = length

        self.width = width

        self.square = self.length * self.width

edited Nov 19 '18 at 13:37

answered Nov 19 '18 at 13:24

Corentin Limier

2,054159

Python 3 :

class ThreeDim(TwoDim):

    def __init__(self, length, width, height):

        super().__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

Python 2 :

class ThreeDim(TwoDim, object):

    def __init__(self, length, width, height):

        super(ThreeDim, self).__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

Or :

class TwoDim(object):

    def __init__(self, length, width):

        self.length = length

        self.width = width

        self.square = self.length * self.width



class ThreeDim(TwoDim):

    def __init__(self, length, width, height):

        super(ThreeDim, self).__init__(length, width)

        self.height = height

        self.volume = self.square * self.height

(classes need to inherit from object to use super() and that's one of the reason why python3 syntax is easier.)

Don't forget the self parameter on TwoDim :

class TwoDim():

    def __init__(self, length, width):

        self.length = length

        self.width = width

        self.square = self.length * self.width

edited Nov 19 '18 at 13:37

answered Nov 19 '18 at 13:24

Corentin Limier

2,054159

edited Nov 19 '18 at 13:37

answered Nov 19 '18 at 13:24

Corentin Limier

2,054159

answered Nov 19 '18 at 13:24

Corentin Limier

2,054159

answered Nov 19 '18 at 13:24

Corentin Limier

2,054159

Thank you so much, now i learn great from this. big thanks..

– Riska Kurnianto
Nov 19 '18 at 13:37

add a comment |

Thank you so much, now i learn great from this. big thanks..

– Riska Kurnianto
Nov 19 '18 at 13:37

Thank you so much, now i learn great from this. big thanks..

– Riska Kurnianto
Nov 19 '18 at 13:37

add a comment |

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