Say I have a dataframe that looks something like this
Line VarA VarB 345 Something abc 346 Something2 def 347 Something ghi 348 Something2 jkl 349 Something mno 350 Something2 pqr 351 Something stu 352 Something2 vwx How can I turn this dataframe into something that looks like this:
VarA VarB Something abcghimnostu Something2 defjklpqrvwx