defsanitize(time_string):
if'-'intime
_string:
splitter='_'
classathletelist(list):
def__init__(self,a_name,a_dob=None,a_times=[]):
list.__init__([])
self.name=a_name
self.dob=a_dob
self.extend(a_times)
deftop3(self):
return(sorted(self)[0:3])
vera = athletelist('vera vi')
vera.append('1.31')
vera.append('1.51')
vera.append('1.21')
print(vera.top3())
