# basic learning GNU python program can be reused 
#!/usr/bin/python 

print "hellow world"
a=34
b=45
c=a+b
print c
print ("print completed")
for i in "12345678910":
 print "welcome", i ,"to the world"

i=1
while i <=13:
  print "world prints with while loop:",i
  i += 1
