# example data
read = ["user,123", "admin,admin"]
username = "user"
password = "1234"
found = False
for line in read:
details = line.split(",")
if details[0] == username:
print("found username")
if details[1] == password:
print("correct password")
found = True
break
else:
print("however, password doesn't match")
if not found:
print("no match found")
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