模組

參見 Python初學 模組

• import

import random

          import time
          arr1 = []
          s = time.time()
          for i in range(int(1e+6)):
              arr1.append(i)
          print('took {} secs'.format(round(time.time() - s, 3)))
          
          s = time.time()
          arr2 = [i for i in range(int(1e+6))]
          print('took {} secs'.format(round(time.time() - s, 3)))
        

          import random
          print(random.randint(1, 100))
        

          import random as rm
          print(rm.randint(1, 100))
        

• from [module] import [variable/function]

from random import function

          from random import randint
          print(randint(1, 100))
        

• readlines

          f = open("test.txt", "r")
          f_list = f.readlines()
          print(f_list)
          f.close()
        

• write

f.write()


          f = open("test.txt", "w")
          f.write("Try to use file.write()\nHail HYDRA")
          f.close()
          
          f = open("test.txt", "r")
          words = f.read()
          print(words)
          f.close()