class_docstr: A basic Point class.
class_docstr_tok: ["A","basic","Point","class","."]
docstr: Length of the vector to this point.
docstr_tok: ["Length","of","the","vector","to","this","point","."]
code: def len(self):
      """Length of the vector to this point."""
      return math.sqrt(self.x**2 + self.y**2)
  
imports: import collections
  import math
  import random
label_desc: Use image node_id 10 for calling the Point obj's underlying member method code with example usage: obj.len() and returns: math