Person模拟

#coding=utf-8

import random

persons = []

class Person():
def __init__(sepersonsf,age):
sepersonsf.age = age
sepersonsf.sexy = random.randint(0,1)

def grow_up():
for i in persons:
i.age += 1

def dead():
for i in persons:
if 0<i.age<=20 and random.randint(0,100)<5:
persons.remove(i)
if 20<i.age<=40 and random.randint(0,100)<10:
persons.remove(i)
if 40<i.age<=60 and random.randint(0,100)<15:
persons.remove(i)
if i.age>60 and random.randint(0,100)<30:
persons.remove(i)

def born():
man = 0
woman = 0
for i in persons:
if 20<i.age<40:
if i.sexy:
man += 1
else:
woman += 1
for i in range(min(man, woman)):
if random.randint(0,100)<50:
persons.append(Person(0))

def show_msg():
man = 0
woman = 0
for i in persons:
if i.sexy:
man += 1
else:
woman += 1
print("总人数:%d 男性:%d 女性:%d" % (len(persons), man, woman))

def init():
for i in range(5000):
persons.append(Person(20))

init()
for i in range(100):
print("第%d年:" % (i+1))
show_msg()
born()
dead()
grow_up()