Iteratos vs Generatos

gistfile1.txt

#!/user/bin/python


def custom_generator(x):
    for i in range(10):
        if i == 5:
            return
        else:
            yield i


# fun.py
def fibonacci(max):
    result = 0
    base = 1
    while result <= max:

        # This yield statement is where the execution leaves the function.
        yield result
        # This is where the execution comes back into the function. This is
        # just whitespace, but that it came back while preserving the state
        # of the function is pretty awesome.
        print("here ")
        # Fibonacci code to increase the number according to
        #   https://en.wikipedia.org/wiki/Fibonacci_number
        n = result + base
        result = base
        base = n
       
def simpleGeneratorFun():
    pre1 = 1
    pre2 = 1
    sumValue = 1
    yield sumValue
    print('First stop')
    for i in range(0, 5):
        print('Secode Stop')
        yield sumValue
        import pdb
        pdb.set_trace()
        sumValue = pre1 + pre2
        pre1 = pre2
        pre2 = sumValue