python学习笔记--生成器

def yanghui():
    l=[1]
    while True:
        yield l
        l=[l[i]+l[i+1] for i in range(len(l)-1)]   ##当range(0)时，l=[]
        l.append(1)
        l.insert(0,1)

L=[]
n=0
for i in yanghui():
	L.append(i)
	n=n+1
	if n==10:
		break
print(L)

def feb(n):
	a,b,c = 0,0,1
	while a<n:
		yield c
		b,c=c,b+c
		a=a+1

febnumber=[]
for i in feb(10):
	febnumber.append(i)
print(febnumber)

def feb2():
	b,c = 0,1
	while True:
		yield c
		b,c=c,b+c

febnumber=[]
n=0
for x in feb2():
	febnumber.append(x)
	n=n+1
	if n==10:
		break
print(febnumber)