20个头56条腿

>>> def solve(numLegs,numBeads):
    for numChicIcs in range(x,numBeads+1):
        numPigs=numBeads-numChicks
        totLegs=4*numPigs+2*numChieIcs
        if totLegs==numLegs:
            return[numPigs,numChicks]
    return[None,None]
>>> def barnYard():
    beads=int(input('Enter number of beads:'))
    legs=int(input('Enter number of legs:'))
    pigs,chicJcens=solve (legs, heads) #我不用知道solve里面用的是什么变量名 什么值
    if pigs==None:
        print('q')
    else:
        print('Number of pigs:',pigs)
        print('Number of chickens',chickens)
>>> def solvel (numLegs,numBeads):
    for numSpiders z.n range (x, numBeads+1):
        for numchicks in range(0,numBeads-numSpiders+1):
            numPigs=numBeads-numChicks-numSpiders
            totLegs=4 *numPigs+2 *numChicks+8 *numSpiders
            if totLegs==numLegs:
                return [numPigs, numChicks, numSpiders]
            return[None,None,None]
>>> def bainYard1():
    beads=int(input('Enter number of beads:'))
    legs=int(input('Enter number of legs:'))
    pigs, chicJcens,spiders=solve1(legs, heads)
    if pigs==None:
        print('no')
    else:
        print('Number of pigs',pigs)
        print('Number of chickens',chickens)
        print('Number of spiders',spiders)

>>> barnYard(20,56)
Traceback (most recent call last):
  File "<pyshell#21>", line 1, in <module>
    barnYard(20,56)
TypeError: barnYard() takes 0 positional arguments but 2 were given
>>> barnYard()
Enter number of beads:20
Enter number of legs:56
Traceback (most recent call last):
  File "<pyshell#20>", line 1, in <module>
    barnYard()
  File "<pyshell#19>", line 4, in barnYard
    pigs,chicJcens=solve (legs, heads)
NameError: name 'heads' is not defined

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