Read small chunks from big buffer

generator-3.py

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

#Read small chunks from big buffer
def buffered_read(input):
    #Read a big chunk of data
    buffer = input
    #Return small chunks on demand
    for small_chunk in buffer:
        print("Generator invoked ..")
        yield small_chunk


def example2():
    result = buffered_read("12345")
    for x in result:
        print(x)

example2()

#output
Generator invoked ..
1
Generator invoked ..
2
Generator invoked ..
3
Generator invoked ..
4
Generator invoked ..
5