CGI Web Python Tutorial

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#!c:\Python\python.exe
import os
import cgi
def printHeader( title ):
   print """Content-type: text/html
    

%s
""" % title
rowNumber = 0
backgroundColor = "white"
printHeader( "Environment Variables" )
print """"""
# print table of cgi variables and values
for item in os.environ.keys():
   rowNumber += 1
   if rowNumber % 2 == 0:         
      backgroundColor = "white"
   else:                          
      backgroundColor = "lightgrey"
   print """
   %s%s""" % ( backgroundColor,
      cgi.escape( item ), cgi.escape( os.environ[ item ] ) )
print """"""