import csv username = input() #first loop with open('logins.csv', 'rt') as f: reader = csv.reader(f, delimiter=',') #set delimiter to whatever, most probably a comma though for row in reader: for field in row: if field == username: #showing a different method below, as usernames may be in a specific column in the csv print "username match" #alternative loop with open('Users.csv', 'rt') as f: reader = csv.reader(f, delimiter=',') for row in reader: if username == row[2]: # if the usernames are stored in the 3rd column (-> index is set to 2) print "username match"
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