Python Programming - Reading and Writing Files - Discussion

Discussion Forum : Reading and Writing Files - General Questions (Q.No. 17)

Reading and Writing Files

17.

How can you read and print only the even-numbered lines from a file named "numbers.txt"?

even_lines = open("numbers.txt").readlines()[1::2]
    for line in even_lines:
    print(line)

with open("numbers.txt", "r") as file:
    lines = file.readlines()
    for i in range(1, len(lines), 2):
        print(lines[i])

even_numbers("numbers.txt")

read_even("numbers.txt")

Answer: Option

Explanation:

Using list slicing to select even-numbered lines and then printing them.

Discussion:

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