# b_eval_replace_vs_loops.py

# b_eval_replace_vs_loops.py

# A super fast way in Python to process large data to get such a desired result...
# To be more clear by what I mean...

from time import clock
test = [[str(z),'12345'] for z in xrange(100000)][::-1]
print(test[:30]+['...'])
print
0
def time_check():
    stop = round(clock()-start,6)
    print(stop)
    print(result[:30]+['...'])
    print
    print
    print
0
start = clock()
result = eval(str(test).replace("12345']","1234']"))
print('''*** eval(str(test).replace("5","") ='''),
time_check()
0
start = clock()
result = eval(str(test).replace("12345']","1234']").replace("'",""))
print('''*** eval(str(test).replace("12345']","1234']").replace("'","")) ='''),
time_check()
0
start = clock()
result = [[int(x),int(int(y)*0.1)] for x,y in test]
print('''*** [[int(int(x)*0.1) for x in inner] for inner in test] ='''),
time_check()
0
test = str(test)
result = eval(test.replace("12345']","1234']").replace("'",""))
start = clock()
print('''*** eval(test.replace("12345']","1234']").replace("'","")) ='''),
time_check()