FP 2021-12-07

import sys
from urllib.request import urlopen

#dna.py
#Domain Name Available ?
"""
Console App
Receives a domain name
Prints:
"http available" if there is http content at the domain
"http not available" if there is NOT http content at the domain
"""

bCorrectUsage = len(sys.argv)==2
if (bCorrectUsage):
    strDomainName = sys.argv[1]
    try:
        strHttpsForDomain = \
            "http://"+strDomainName

        urlopen(strHttpsForDomain)
        print ("HTTP available!")
    except:
        print ("HTTP NOT available")

    #TODO
else:
    pass
    #TODO : explain how to use