请问大神，报错in <module>，怎么解决

"京巴":30,
"藏獒":45,
"二哈":15,

}

def dog(name,d_type):

data = {
    "name":name,
    "d_type":d_type,
    #"attack_val":d_type,
    "life_val":100
}
if d_type in attack_vals:
    data["attack_val"] = attack_vals[d_type]
else:
    data["attack_val"] = 15

def dog_bite(person_obj):
    person_obj["life_val"] -= data["attack_val"]
    print("狗[%s]咬了人[%s]一口，人掉血[%s],人还剩血量[%s]..." % (data["name"],
                                                   person_obj["name"],
                                                   data["attack_val"],
                                                   person_obj["life_val"]))
data["bite"] = dog_bite
return data

def person(name,age):
data = {
"name":name,
"age":age,
"life_val":100
}
if age > 18:
data["attack_val"] = 35
else:
data["attack_val"] = 15
return data

def person_bate(dog_obj):
    dog_obj["life_val"] -= person_obj["attack_val"]
    print("人[%s]打了狗[%s]一棒，狗掉血[%s],狗还剩血量[%s]..." % (data["name"],
                                                   dog_obj["name"],
                                                   data["attack_val"],
                                                   dog_obj["life_val"]))
data["beat"] = person_bate
return data

P1 = person("Laiyfe",25)
d1 = dog("MJJ","二哈")

P1"beat"

**Traceback (most recent call last):
  File "F:/Code/2019.12.12/venv/2.py", line 55, in <module>
    P1["beat"](d1)
KeyError: 'beat'**

字典P1没有beat这个key，打印下P1看看呗