A typical CGI script

#!/usr/local/bin/python

import cgi

def main():

print "Content-type: text/html\n"

form = cgi.FieldStorage() # parse query

if form.has_key("firstname") and form["firstname"].value != "":

print "<h1>Hello", form["firstname"].value, "</h1>"

else:

print "<h1>Error! Please enter first name.</h1>"

main()

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