for i in range(100):
   print i;


s = "";
for i in range(100):
   s += str(i);
print s;

// concatenating the first 100 numbers into a string
s = "";
for i in range(100):
     s += str(i);

print s;

import timeit
def redefine():
   s = ""
   for i in range(100):
      s += str(i);
      
timeit.timeit("redefine()", setup="from __main__ import redefine; gc.enable()", number=1)
timeit.repeat("redefine()", setup="from __main__ import redefine")
timeit.timeit('redefine()', number=10000)

import timeit
def combine():
   s = "".join(str(range(100)))

timeit.timeit("combine()", setup="from __main__ import combine; gc.enable()", number=1)