Iterate over a python sequence in multiples of n?

by

A generator function would be neat:

def batch_gen(data, batch_size):
    for i in range(0, len(data), batch_size):
            yield data[i:i+batch_size]

Example use:

a = "abcdef"
for i in batch_gen(a, 2): print i

prints:

ab
cd
ef

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