random seed python example

program if __name__ = = "__main__": T1 = Threading. Thread (target = increment_with_lock) t2 = thReading. Thread (target = decrement_with_lock) T3 = Threading. Thread (target = increment_without_lock) T4 = Threading. Thread (target = decrement_without_lock) T1.start () T2.start () T3.start () T4.start () () T1.join () T2.join Oin () T4.join () print ("The value of shared variable with lock management is%s" \%shared_resource_with_lock) prin T ("The value of shared variable with race condition

This example describes the Python probability calculator implementation. Share to everyone for your reference. The implementation method is as follows: From random import randrange #randrange form random Module def calc_prob (strengths): "" "A function that receives A arr Ay of two numbers indicating the strengt

Today saw a long time ago in school when a pseudo-code, tells a strange story, today with Python to do exercises.The pseudo code is as follows:Class Monster {char monster name; int blood; monster (monster name N, blood N)/* constructor */{monster name = Monster name n; blood = Blood n;} hit function () {blood reduction;} judgment function () {if (Blood ==0) printf ("You win!");} Play game () {while (Blood > 0) {is hit function (); judging function ();

This code introduces the example of the bucket sorting algorithm in python algorithm learning. For more information, see. The code is as follows: #-*-Coding: UTF-8 -*- Def insertion_sort ():"Insert sorting, as sub-sorting of bucket sorting """N = len ()If n ReturnB = [] # Result listFor a in:I = len (B)While I> 0 and B [i-1]>:I = I-1B. insert (I, );Return B Def bucket_sort ():"Bucket sorting, the pseudo c

This article mainly introduces how to implement Hill Sorting in python and how to implement Hill sorting by programming, which has some reference value, interested friends can refer to this article mainly to introduce how to implement Hill Sorting in python. The Hill sorting implemented by programming has some reference value. interested friends can refer to it. Observe "insert sort": in fact, it is not di

This article mainly introduces the example of using python to implement a guess digital game (without repeated numbers). For more information, see The code is as follows: Import time, random Class GuessNum:Def _ init _ (self ):Self. _ num =''Self. input_num = []Self. count = 1 # number of guessesSelf. sec = 0 # time used to guessSelf. _ generate_num ()Def _ gen

Python xlsxwriter library to generate a chart application example, pythonxlsxwriter There may not be many people using xlsxwriter, but after using it, you will feel that its function makes you sigh, except that you can generate the excel as required. You can also add various images, such as bar charts, pie charts, and line charts. Create an xlsx file and add data Official documents: http://xlsxwriter.readth

machine learning?Li YuhuaWould you tell me about AdaBoost?Recently in research on CNNSklearn not be able to do neural network?Import Matplotlib.pyplot as PltFig = Plt.figure ()Ax1 = Fig.add_subplot (3,2,1) #当前几行几列, locationAX2 = Fig.add_subplot (3,2,2)Import Matplotlib.pyplot as PltPlt.plot ()Plot.show ()Import Matplotlib.pyplot as PltFirst_second =unrate[0:12]#把点化出来, connect to the line againPlt.plot (first_twelve[' DATE ', first_twelve[' VALUE ')Plt.show ()Http://pandas.pydata.org/pandas-docs

#!/usr/bin/env pythonfrom operator Import Add, Subfrom random import randint, Choiceops = {' + ': Add, '-': sub}maxtries = 2 Def doprob (): op = Choice (' +-') Nums = [Randint (1,10) for I in range (2)] Nums.sort (reverse=true) ans = ops[o P] (*nums) PR = '%d%s%s = '% (Nums[0], op, nums[1]) oops = 0 while True:try:if int (raw_inpu T (pr)) = = ans:# #只有正确作答才跳出循环 print ' correct ' break if oops = = maxtries:# #第二次给出正确答案 , but still the title print ' Sor