text: from runtime import *
  """list.pop(n)"""
  
  
  def main():
  	a = list(range(10))
  	print a
  	b = a.pop()
  	print b
  	print a
  	assert( b==9 )
  	c = a.pop(0)
  	assert( c==0 )
  
  	d = ['A', 'B', 'C']
  	assert( d.pop(1)=='B' )
  	assert( len(d)==2 )
  main()
  