I have tried to remove the first key and value from a json file using python. While running the program, I came across error, they are mentioned as follows:
imp
As per my comment, the input file is not valid JSON.
This answer multiple json dictionaries python tells you how to successfully read such a file, which consists of a concatenation of valid JSON entities rather tyan a JSON list of such entities.
The alternative if and only if you can rely on the line-structure of the file, is to read line by line and decode each line separately.