#!/usr/bin/env                             
__author__ = "Powen Ko, www.powenko.com"     
#  sample code
a=33
b="abc"
c=33.4
print("Hello")                            
print(a)                                        
print("b="+str(a))                       
print("c=%f" % c)
print("c=%.1f  b=%s" % (c,b))
print(a+c)                               


