Find the first n number of the Fibonacci series

generator-4.py

#Reference: http://pythoncentral.io/python-generators-and-yield-keyword/

#Find the first n number of the Fibonacci series
def fibonacci(n):
    curr = 1
    prev = 0
    counter = 0
    while counter < n:
        #print("Generator invoked ..")
        yield curr
        prev, curr = curr, curr + prev
        counter += 1

def example3():
    num = 5
    print("Print the first %d number of the Fibonacci series" % (num))
    for x in fibonacci(num):
        print(x, end=" ")
        
example3()

#output
Print the first 5 number of the Fibonacci series
1 1 2 3 5