[Python] Python deleting line or replacing line with null for a line in dictionary

I have 2 dictionaries : group1 and group2 and I need to replace the line will null/delete for line in text file if in dictionary:

{'car': set(['ab', 'ef', 'ad', 'cd']), 'bike': set(['ac', 'de'])}
{'car': ['go', 'drive', 'enjoy'], 'bike': ['ride']}


My file:

!hello!!
mycar
car(ab,ef,ad,cd)
go
drive
enjoy

bike(ac,de)
ride


Expected output

!hello!!
mycar


The output has to be written to the same file without affecting/other lines and its indentations!

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