Write a generator which generates the fibonacci numbers.
As a reminder: F(n) = F(n-1) + F(n-2), where F(0)=0 and F(1)=1
def fibonacci():
"""A Fibonacci Number Generator"""
a, b = 0, 1
while True:
yield a
a, b = b, a + b
f = fibonacci()
counter = 0
for x in f:
print(x)
counter += 1
if (counter > 10):
break