Hunan Red Blood Cell Network Technology Co., Ltd.: Practical Python Skills Lead to Becoming an Excellent Programmer After ...

The problem I've noticed is that if I append the file with each of the 100k runs (one at a time), it can happen that two threads try to save to the file at the same time and some row (s) end up empty.

Finally, you can write a program to extract zip files to disk in just a few lines. The following Python program extracts all zip files given as arguments to the current directory.

Remember that a CSV file is actually just a text document with a fancy formatting. That means that you actually don’t need to use a module if you want to know how to open CSV files in Python!

When run it produces: $ python csv1.py A : 1 B : 2 C D : 3 4 A : 5 B : 6 C D : 7 In addition, the csv module provides writer objects for writing CSV files. The following Python program converts our ...