human
comprehension for flatmap.
assistant
Here is a Python program for comprehension for flatmaps

import collections

def flatmap(f, l):
    """Applies f to each element of l and returns a list of the results."""
    return [f(x) for x in l]

# Enter the list
myList = [1, 2, 3]

# Calling the function
print((flatmap(lambda x: x * 2, myList)))

#Example Output
# [2, 4, 6]

#Remember to inspect code for bugs.