Un'goro packs code

import numpy as np

#Un'goro Numbers
numcom=49
numrare=36
numepic=27
numlegend=23


class Count:
    def __init__(self):
        self.common=0
        self.rare=0
        self.epic=0
        self.legend=0
        self.goldcom=0
        self.goldrare=0
        self.goldepic=0
        self.goldleg=0
        self.packs=0
        self.dust=0

    def Progress(self):
        comneed=(2*numcom-self.common)*40
        rarneed=(2*numrare-self.rare)*100
        epicneed=(2*numepic-self.epic)*400
        legneed=(numlegend-self.legend)*1600
        dustneed=comneed+rarneed+epicneed+legneed
        diff=self.dust-dustneed
        if diff < 0:
            return 1
        elif diff >=0:
            return 0

    def PackInc(self):
        self.packs+=1

    def Common(self):
        if np.random.rand() > self.common/numcom/2:
            self.common+=1
        else:
            self.dust+=5

    def Rare(self):
        if np.random.rand() > self.rare/numrare/2:
            self.rare+=1
        else:
            self.dust+=20

    def Epic(self):
        if np.random.rand() > self.epic/numepic/2:
            self.epic+=1
        else:
            self.dust+=100

    def Legend(self):
        if np.random.rand() > self.legend/numlegend:
            self.legend+=1
        else:
            self.dust+=400

    def Gcommon(self):
        self.dust+=50

    def Grare(self):
        self.dust+=100

    def Gepic(self):
        self.dust+=400

    def Glegend(self):
        self.dust+=1600

def GenCard(stats):
    card=np.random.rand()
    if card < .701362:
        stats.Common()
    elif card-.701362 < .209809:
        stats.Rare()
    elif card-.911172 < .043960:
        stats.Epic()
    elif card-.955132 < .011262:
        stats.Legend()
    elif card-.966394 < .014714:
        stats.Gcommon()
    elif card-.981108 < .015441:
        stats.Grare()
    elif card-.996549 < .002361:
        stats.Gepic()
    elif card-.998910 < .001090:
        stats.Glegend()

def OpenPack(stats):
    stats.PackInc()
    for i in range(5):
        GenCard(stats)

def WriteResults(numpacks):
    with open("Results.txt","a") as file:
        file.write("{}\n".format(numpacks))

def Trial():
    stats=Count()
    while stats.Progress():
        OpenPack(stats)
    WriteResults(stats.packs)

def RunSim(n):
    with open("Results.txt","w") as file:
        file.write("")
    for i in range(n):
        Trial()
    print("Complete")

RunSim(100)