[Python] Is it possible to automate updating using gspread with a list or a dictionary

New python user trying to use python to automate updating a sheet using gspread. The problem is, I want to set up both my sheet id and my replacing word in a list. However if I do not include the body in the loop, it can not recognize the line variable. If I put body in the loop, or make the replacement variable list(as a tuple), it simply says unhashable type:'dict' for the body

for line in lists:
body = {
{"requests": [
{"findReplace": {
"find": str(x),
"searchByRegex": True,
"range": {
"sheetId": worksheet.id,
"startColumnIndex": 4,
"endColumnIndex":5
},
"replacement":line},}
,
]
}
}
x=x+1
sh.batch_update(body)

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