python upper

import time
import random
import string

TEST_STR = "".join([string.letters[random.randint(1, len(string.letters)-1)] for x in range(0, 10000)])

start_time = time.time()
TEST_STR.upper()
print "UPPER", time.time() - start_time


start_time = time.time()
upper_string = ""
for c in TEST_STR:
    continue
print "LOOP", time.time() - start_time

start_time = time.time()
upper_string = ""
for c in TEST_STR:
    upper_string += c.upper()
print "UPPER LOOP", time.time() - start_time


start_time = time.time()
upper_string = ""
for c in TEST_STR:
    upper_string += c.capitalize()
print "CAPITALIZE LOOP", time.time() - start_time


CHAR_MAP = dict([(key, string.uppercase[string.lowercase.index(key)]) for key in string.lowercase])
start_time = time.time()
upper_string = ""
for c in TEST_STR:
    upper_string += CHAR_MAP.get(c, c)
print "CHECK INDEX LOOP", time.time() - start_time


start_time = time.time()
upper_string = ""
for c in TEST_STR:
    ord_c = ord(c)
    if ord_c < 91:
        upper_string += unichr(ord_c + 32)
    else:
        upper_string += c
print "ORD IT LOOP", time.time() - start_time