Python 3.2-readline（）跳过源文件中的行 [英] Python 3.2 - readline() is skipping lines in source file

问题描述

我有一个多行创建的.txt文件。

I have a .txt file that I created with multiple lines.

当我运行带有计数累加器的for循环时，它会跳过行。

when I run a for loop, with a count accumulator, it skips lines.

跳过第一行，从第二行开始，打印第四行，第六行，等等...

It skips the top line, and starts with the second, prints the fourth, the sixth, etc...

我想念的是什么？

** for your reading pleasure**
def main():
    # Open file line_numbers.txt
    data_file = open('line_numbers.txt', 'r')

    # initialize accumulatior
    count = 1


    # Read all lines in data_file
    for line in data_file:
        # Get the data from the file
        line = data_file.readline()

        # Display data retrieved
        print(count, ": ", line)

        # add to count sequence
        count += 1

推荐答案

尝试完全删除 line = data_file.readline（）吗？我怀疑 data_file中的for行也是一个readline操作。

Try removing the "line=data_file.readline()" altogether? I suspect the "for line in data_file:" is also a readline operation.

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