parameters: (self, update_survivors_age=True)
docstring: Increment the age of each individual.
docstring_summary: Increment the age of each individual.
docstring_tokens: Increment the age of each individual .
function: def update_ages(self, update_survivors_age=True):
          """Increment the age of each individual."""
          for ind in self:
              if not update_survivors_age and ind.variation_type == "survived":
                  pass
              else:
                  ind.age += 1
                  ind.variation_type = "survived"
function_tokens: def update_ages ( self , update_survivors_age = True ) : for ind in self : if not update_survivors_age and ind . variation_type == "survived" : pass else : ind . age += 1 ind . variation_type = "survived"