How can I create a generator which combines two generators' data, element-wise?

Question

I have a generator which iterates over strings, eg ['apple', 'banana', orange']. I have an additional generator which iterates over a different set of strings, eg ['car', 'truck', 'bike']

I'd like to create a generator, that when iterated over, returns the following: 'applecar', 'bananatruck', 'orangebike'.

Is there a way to do this?

Use the zip function: [a+b for a,b in zip(list1, list2)] — Mike67
– Mike67, Commented Oct 13, 2020 at 4:56
@Mike67, you have permission to post answers--no need to put it in a comment — Zachary Vance
– Zachary Vance, Commented Oct 13, 2020 at 4:58

Zachary Vance · Accepted Answer · 2020-10-13 04:57:43Z

1

Yes, but make sure to think about what you want to happen if the two are different lengths.

def generator(a, b):
    for a_element, b_element in zip(a,b):
        yield a_element + b_element

or more compactly:

new_gen = ( a_element + b_element for a_element,b_element in zip(a,b) )

answered Oct 13, 2020 at 4:57

Zachary Vance

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