speed test with different expressions

python_lambda_test_1.py

#!/opt/local/bin/python
from datetime import datetime

r1 = []
for a in range(1,10001) :
  begin = datetime.now()
  reduce(lambda x,y: x+" " +y,map(lambda x: x.upper(), ["diversity","is","good"]))
  end = datetime.now()
  r1.append(end-begin)

print reduce(lambda x,y: x+y, r1)/len(r1)

python_lambda_test_2.py

#!/opt/local/bin/python
from datetime import datetime

r2 = []
for a in range(1,10001) :
  begin = datetime.now()
  ' '.join(["diversity","is","good"]).upper()
  end = datetime.now()
  r2.append(end-begin)
  
print reduce(lambda x,y: x+y, r2)/len(r2)