tests_imports_times.py

import datetime


a1 = datetime.datetime.now()
import re
import os
a2 =datetime.datetime.now()
print(a1, a2, a2 - a1)


b1 = datetime.datetime.now()
b2 = datetime.datetime.now()
print(b1, b2, b2 - b1)




c1 = datetime.datetime.now()
for i in range(1, 10000):
    import re
    a = i
c2 =datetime.datetime.now()
print(c1, c2, c2 - c1)

c1 = datetime.datetime.now()
for i in range(1, 10000):
    import re
    a = i
c2 =datetime.datetime.now()
print(c1, c2, c2 - c1)




d1 = datetime.datetime.now()
for i in range(1, 10000):
    a = i
d2 =datetime.datetime.now()
print(d1, d2, d2 - d1)