使用Python进行体育竞技分析（预测球队成绩）

# -*- coding: utf-8 -*-
"""
Created on Wed May 15 12:49:17 2019
@author: moyulin
"""
from random import random
def printIntro():
  print("BY 2018310143103")
  print("这个程序模拟两个选手A和B的兵乓球比赛")
  print("程序运行需要A和B的能力值（以0到1之间的小数表示）")
def getInputs():
  a = eval(input("请输入选手A的能力值(0-1): "))
  b = eval(input("请输入选手B的能力值(0-1): "))
  n = eval(input("请输入模拟比赛的局数: "))
  return a, b, n
def simNGames(n, probA, probB):
  WinsA, WinsB = 0, 0
  winsA, winsB = 0, 0
  for i in range(1,n+1):
    scoreA, scoreB = simOneGame(probA, probB)
    if scoreA > scoreB:
      winsA += 1
    else:
      winsB += 1
    if i%7==0:
      if winsA>winsB:
        WinsA+=1
        print("单打第{}场胜利的为A".format(int(i/7)))
      else:
        WinsB+=1
        print("单打第{}场胜利的为B".format(int(i/7)))
      winsA,winsB=0,0
  return WinsA, WinsB
def gameOver(a,b):
  if a>=10 and b>=10:
    if abs(a-b)==2:
      return True
  if a<10 or b<10:
    if a==11 or b==11:
      return True
  else:
    return False
def simOneGame(probA, probB):
  scoreA, scoreB = 0, 0
  serving = "A"
  while not gameOver(scoreA, scoreB):
    if serving == "A":
      if random() < probA:
        scoreA += 1
      else:
        scoreB +=1
        serving="B"
    else:
      if random() < probB:
        scoreB += 1
      else:
        scoreA += 1
        serving="A"
    return scoreA, scoreB
def printSummary(winsA, winsB):
  n = winsA + winsB
  print("竞技分析开始，共模拟{}场比赛".format(n))
  print("选手A获胜{}场比赛，占比{:0.1%}".format(winsA, winsA/n))
  print("选手B获胜{}场比赛，占比{:0.1%}".format(winsB, winsB/n))
def main():
  printIntro()
  probA, probB, n = getInputs()
  WinsA, WinsB = simNGames(n, probA, probB)
  printSummary(WinsA, WinsB)
main()

from random import random
def printIntro():
  print("by 2018310143103")
  print("这个程序模拟两个队A和B的篮球比赛")
  print("程序运行需要队A和队B的能力值（以0到1之间的小数表示）")
def getInputs():
  a = eval(input("请输入队A的能力值(0-1): "))
  b = eval(input("请输入队B的能力值(0-1): "))
  n = eval(input("模拟比赛的场次: "))
  return a, b, n
def simNGames(n, probA, probB):
  winsA, winsB = 0, 0
  for i in range(n):
    scoreA, scoreB = simOneGame(probA, probB)
    if scoreA > scoreB:
      winsA += 1
    else:
      winsB += 1
  return winsA, winsB
def gameOver(a,b):
  return a==100 or b==100
def simOneGame(probA, probB):
  scoreA, scoreB = 0, 0
  serving = "A"
  while not gameOver(scoreA, scoreB):
    if serving == "A":
      if random() < probA:
        scoreA += 1
      else:
        scoreB += 1
    else:
      if random() < probB:
        scoreB += 1
      else:
        scoreA += 1
    return scoreA, scoreB
def printSummary(winsA, winsB):
  n = winsA + winsB
  print("竞技分析开始，共模拟{}场比赛".format(n))
  print("队A获胜{}场比赛，占比{:0.1%}".format(winsA, winsA/n))
  print("队B获胜{}场比赛，占比{:0.1%}".format(winsB, winsB/n))
def main():
  printIntro()
  probA, probB, n = getInputs()
  winsA, winsB = simNGames(n, probA, probB)
  printSummary(winsA, winsB)
main()