[Python] Is there any way to use a string variable instead of an actual string in quotes for...

The users.messages.list method requires a string for the labelIds parameter. Is there any way to provide it a string other than entering 'the string'...I want to include this method as part of a for loop cycling through all user defined labels, but I get a 400 error An API error occurred: <HttpError 400 when requesting https://gmail.googleapis.com/gmail

#results = service.users().messages().list(userId='me',labelIds=['name']).execute()

try:
# Call the Gmail API
service = build('gmail', 'v1', credentials=creds)
results = service.users().labels().list(userId='me').execute()
labels = results.get('labels', [])
#labels is a list of all system and user defined labels
#need to cycle through all user defined labels and store emails with each label
for label in labels:
if label['type']=='user':
name = label['name'] #this is a 'string'
results = service.users().messages().list(
userId='me',
labelIds=[name],
maxResults=2 # Adjust as needed
).execute()
break

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