# A demonstration of reading input and transmogifying typed-in integers
# into the average value of them all, with the wonders of modern high-tech
# gizmos.
#
# Copyright 2003, Matt Gerrans.
#
# Turning in this code as homework is a violation of ethical principals,
# and punishable by severe penalties (including, but not limited to, a
# boot to the head), even if you change the variable names.
import os,sys,time
 
# Incredible technology to log uncaught exeptions to a log file with the
# same name as the script in the temp directory.
def StartLog(args):
   # First add a header to the log entry for this run:
   from os.path import basename,splitext,join,isfile,abspath
   scriptName = basename(args[0])
   logfilename = join( os.environ['temp'], splitext(scriptName)[0] ) + '.log'
   firstEntry = not isfile(logfilename)
   logfile = file( logfilename, 'a' )
   if firstEntry:
      header = '%s Log\n' % (abspath(args[0]))
      logfile.write( header )
      logfile.write( '-'*(len(header)-1) )
   logfile.write( '\n%s:\n' % time.asctime() )
   logfile.close()
   # Now rebind stderr to the log:
   sys.stderr = open( logfilename, 'a' )
 
def main(args=None):
   errorlevel = 0
 
   numbers = []
   input = raw_input('Please type a number into my homework program! ')
   while input != '0':
      try:
         numbers.append(int(input))
      except ValueError:
         print 'Try entering a number, smartypants.'
      input = raw_input('Than you sir, may I have another? ')
   if numbers:
      avg = (reduce(lambda a,b:a+b,numbers)/long(len(numbers)))
      print 'Average of those numbers is %f' % avg
   else:
      print 'You have to enter some numbers, pal.'
      errorlevel = 1
 
   return errorlevel
 
def MainWrapper(args=None):
   if args == None: args = sys.argv
   StartLog(args)
   return main(args)
   
# Entry point when run by command-line.
if __name__ == '__main__':
   sys.exit(MainWrapper(sys.argv))
 

import java.io.*;
 
public class Driver
{
 
	public static void main(String[] args) throws IOException
	{
		BufferedReader console = new BufferedReader(new InputStreamReader(System.in));
	
		System.out.println("Enter a new height on each row(0 will quit and start calculate average)");
	
		String indata = "";
		int data = 0;
		int personer = 0;
		
		while(!indata.equals("0"))
		{
			System.out.print("New height: ");
			indata = console.readLine();
			
			if(!indata.equals("0"))
			{
				data = data + Integer.parseInt(indata);
				personer++;
			}
		}
		
		System.out.println("Average height is " + (data/personer));
	
	}
 
}

import java.io.*;
 
public class Driver
{
 
	public static void main(String[] args) throws IOException
	{
		BufferedReader console = new BufferedReader(new InputStreamReader(System.in));
	
		System.out.println("Enter a new height on each row(0 will quit and start calculate average)");
	
		String indata = "";
		float data = 0;
		int personer = 0;
		
		while(!indata.equals("0"))
		{
			System.out.print("New height: ");
			indata = console.readLine();
			
			if(!indata.equals("0"))
			{
				try
				{
					data = data + Float.parseFloat(indata);
					personer++;
				}
				catch(NumberFormatException error)
				{
					System.out.println("Wrong input, try again");
				}
			}
		}
		
		System.out.println("Average height is " + (data/personer));
	
	}
 
}