Send a GET request to the URL "https://www.random.org/strings/?num=1&len=8&digits=on&upperalpha=on&loweralpha=on&unique=on&format=plain" to get a unique 8-character string containing both uppercase and lowercase letters and digits.
curl -X 'GET' https://www.random.org/strings/?num=1\&len=8\&digits=on\&upperalpha=on\&loweralpha=on\&unique=on\&format=plain