#!/usr/bin/env python
#
# file: foo.py
#

# import system libraries
# 
import sys

# print hello world
#
print("hello world")

# declare floats
#
X = float(3.0)
Y = float(27.999)
print("the value of X = %f, Y = %f" % (X, Y))

# print the command line arguments
#
print(sys.argv)
print("args: %s, %s, %s" % (sys.argv[0], sys.argv[1], sys.argv[2]))
print("number of arguments = %d" % (len(sys.argv)))
print(X)
print(Y)

# do some math
#
A = 3
B = 2
C = A / float("4.0")
print(A)
print(B)
print(C)

# concatenate strings
#
XXX = "Joe = 1"
YYY = 'Alex = 27'
print(XXX)
print(YYY)
print(XXX + " / " + YYY)

# a simple loop
#
for i in range(0,10):
    print(i);
    print("Joe")