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This problem has you write a nested loop to process a list of list of int, and accumulate a list of list of int. The starter code provides an accumulator for the result and a loop over the lists, and you need to write the code that checks whether sublist contains only even ints. You'll probably want a one-way flag: a Boolean variable that starts out as True and is set to False if you find an odd int in the sublist. You'll need to check the value of this variable to figure out whether to append sublist to the even_lists accumulator. from typing import List def only_evens(lst: List[List[int]]) -> List[List[int]]:     """Return a list of the lists in lst that contain only even integers.          >>> only_evens([[1, 2, 4], [4, 0, 6], [22, 4, 3], [2]])     [[4, 0, 6], [2]]     """          even_lists = []     for sublist in lst:              # write your code here (please read above for a suggested approach)     return even_lists

This problem has you write a nested loop to process a list of list of int, and accumulate a list of list of int. The starter code provides an accumulator for the result and a loop over the lists, and you need to write the code that checks whether sublist contains only even ints. You'll probably want a one-way flag: a Boolean variable that starts out as True and is set to False if you find an odd int in the sublist. You'll need to check the value of this variable to figure out whether to append sublist to the even_lists accumulator. from typing import List def only_evens(lst: List[List[int]]) -> List[List[int]]:     """Return a list of the lists in lst that contain only even integers.          >>> only_evens([[1, 2, 4], [4, 0, 6], [22, 4, 3], [2]])     [[4, 0, 6], [2]]     """          even_lists = []     for sublist in lst:              # write your code here (please read above for a suggested approach)     return even_lists

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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This problem has you write a nested loop to process a list of list of int, and accumulate a list of list of int. The starter code provides an accumulator for the result and a loop over the lists, and you need to write the code that checks whether sublist contains only even ints.

You'll probably want a one-way flag: a Boolean variable that starts out as True and is set to False if you find an odd int in the sublist. You'll need to check the value of this variable to figure out whether to append sublist to the even_lists accumulator.

from typing import List

def only_evens(lst: List[List[int]]) -> List[List[int]]:
    """Return a list of the lists in lst that contain only even integers. 
   
    >>> only_evens([[1, 2, 4], [4, 0, 6], [22, 4, 3], [2]])
    [[4, 0, 6], [2]]
    """
    
    even_lists = []

    for sublist in lst:
    
        # write your code here (please read above for a suggested approach)

    return even_lists

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