1011.py

###import module
###from module import abstract
##import sys
####print(sys.path)
import os
####print(os.environ)
os.chdir('E:\\pythonSep2018')
##from module_1011 import some_func
##from module_1011 import cube
##cube(3)
##some_func()
##print(os.getcwd())
##
##sys.path.append('E:\\pythonSep2018')
##print(open("filename.txt", "w"))
##import importlib
####importlib.reload()
##import module_1011
##print(module_1011.product(module_1011.my_list))

import string
##a = string.parse('abc')
##print(a)

str = "Hello, +my_name []/is khlade"

##def count_name():
##   counter = 0
##   for i in str:
##       if (string.ascii_letters.find(i) is not -1):
##           counter = counter + 1
##   return counter
##print(count_name())

##def strip_string():
##    new_str = ''
##    for i in str:
##        if (string.ascii_letters.find(i)is not -1):
##            print(i)
##            new_str = new_str + i
##    return new_str
##
##print(strip_string())
import math
result = math.ceil(math.log(math.e ** (math.pi/2)))
print(result)