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from django.contrib.auth import authenticate
# Get the user's input for username and password
username = request.POST['username']
password = request.POST['password']
# Authenticate the user
user = authenticate(username=username, password=password)
if user is not None:
# User credentials are valid
# Proceed with further actions or logging the user in
else:
# Invalid credentials provided
# Show an error message or redirect back to the login page