I have the following problem: I have a DataFrame df which looks like this: eqpid recpid queuetime trackintime trackouttime 3723
css-frameworks
skype-bots
xrange
tilesets
raspberry-pi3
mathematical-optimization
pycall
typescript2.0
uitabbaritem
redash
git-rewrite-history
amp-access
photogrammetry
nbitcoin
dotnet-bundle
mosquitto
android-tabactivity
openwisp
livecharts
npm-link
try-catch
plaintext
pyranges
kotlin-sharedflow
windows-xp-sp3
cakephp
extconf.rb
python-descriptors
angular-pagination
reserved-words
