Python__打印对象信息__str__

class People:
def __init__(self,name,age,sex):
self.name=name
self.age=age
self.sex=sex

def __str__(self): #在对象被打印时触发执行
return '<name:%s age:%s sex:%s>' %(self.name,self.age,self.sex)

p1=People('egon',18,'male')
p2=People('alex',38,'male')

print(p1)
print(p2)

# l=list([1,2,3])
# print(l)