I would like to know if there's a technique to simply undo a change that was done using Pandas. For example, I did a string replacement on a few thousand rows of Pandas Dataframe, where, every occurrence of "&" in its string be replaced with "and". However after performing the replacement, I found out that I've made a mistake in the changes and would want to revert back to the Dataframe's most latest form before that string replacement was done. Is there a way to do this? Continue reading...
