class_docstr: Padding arrays to create a matrix.
class_docstr_tok: ["Padding","arrays","to","create","a","matrix","."]
code: def __init__(self, length, padding):
      self.length = length
      self.padding = padding
  
file_path: chainer/chainer/functions/array/pad_sequence.py
imports: import numpy
  import six
  import chainer
  from chainer import backend
  from chainer.backends import cuda
  from chainer import function_node
  from chainer import utils
  from chainer.utils import type_check
label_desc: Use image node_id 1 to create a new PadSequence object from inherited base classes: function_node with example: obj = PadSequence(length, padding)