def mycount():

f = lambda j:lambda:j*j    # lambda [input]:[output]
fs = []
for i in range(1,4):
    fs.append(f(i)) #f(i)立刻被执行，因此i的当前值被传入f()
return fs

f3,f4,f5 = mycount() print(f3(),f4(),f5())