How to prevent unexpected newlines when writing to a CSV file in Python using Pandas?
I'm performance testing and Could someone explain I'm stuck on something that should probably be simple... I'm sure I'm missing something obvious here, but I'm trying to export a DataFrame to a CSV file using Pandas, but I keep working with unexpected newlines in the output file. I’m using Pandas version 1.3.3 and the CSV file format is crucial for our downstream data processing. Here’s the code I’ve written: ```python import pandas as pd # Sample DataFrame data = { 'Name': ['Alice', 'Bob', 'Charlie'], 'Age': [25, 30, 35] } df = pd.DataFrame(data) # Writing to CSV output_file = 'output.csv' df.to_csv(output_file, index=False) ``` When I open `output.csv`, I see unexpected blank lines between the rows. I've tried setting `line_terminator` in the `to_csv` method as follows: ```python df.to_csv(output_file, index=False, line_terminator='\n') ``` However, the scenario continues. I also tried adjusting the `quoting` parameter to see if that had any effect: ```python df.to_csv(output_file, index=False, quoting=pd.io.common.csv.QUOTE_NONNUMERIC) ``` The resulting file still contains blank lines, especially when viewed in text editors that handle line endings differently. I've also confirmed that the DataFrame doesn't have any extra empty rows before writing it to the CSV. Is there a way to reliably export the DataFrame without these unintended blank lines? Any insights into what could be causing this would be greatly appreciated, especially if it involves handling line endings across different platforms. Thanks in advance! Any examples would be super helpful. The project is a web app built with Python. Any suggestions would be helpful. What are your experiences with this? I'm working in a Windows 11 environment.