Here is a Python solution for your problem:PYTHONimport numpy as np# Load the datadata $=$ np$.$loadtxt$(\text{'}$tvdata$.$txt$\text{'})$# Split the data into two columnst$\_$column $=$ data$[$:$,0]$v$\_$column $=$ data$[$:$,1]$# Save the columns into two separate filesnp.savetxt$(\text{'}$time$.$txt$\text{'},$ t$\_$column, fmt$=\text{'}\%$s$\text{'})$np$.$savetxt$(\text{'}$velocity$.$txt$\text{'},$ v$\_$column, fmt$=\text{'}\%$s$\text{'})$