Wright State University Lake Campus/2019-9/Python dice

Day 1

####lesson 1: How to find a random integer betwee one and six
### First step: Google with {python random integer}
###https://www.pythoncentral.io/how-to-generate-a-random-number-in-python/
##import random 
##for x in range(10):
##    print(random.randint(1,6))

# lesson 2 Let the variable Nthrow denote the number of dice to throw.
##import random

##Nthrow=10 #We need to control howm many dice are thrown
##for nThrow in range(Nthrow):
##    if random.randint(1,6)==6:
##        print("decay")
##    else:
##        print("nodecay")

### lesson 3 Let the variable Nthrow denote the number of dice to throw.
##import random
##Nthrow=10 #We need to control howm many dice are thrown
##for nThrow in range(Nthrow):
##    if random.randint(1,6)==6:
##        print("decay")
##    else:
##        print("nodecay")

# lesson 4 Count the number that survived and decayed:
##import random
##Nthrow=10 #We need to control how many dice are thrown
##nDecayed=0 #initial count
##nSurvived=0 #initial ocount
##for nThrow in range(Nthrow):
##    if random.randint(1,6)==6:
##        nDecayed+=1 #fancy way to add 1 to nDecayed
##        print("Decayed:",nDecayed)        
##    else:
##        nSurvived+=1 #adds on to number that survived
##        print("Survived:",nSurvived)
##print(nDecayed,'decayed\n', nSurvived,'survived')

# lesson 5 Turn this into a function so we don't need to look at it:
#Google {python simple function return variable}
#https://www.python-course.eu/python3_functions.php
#Warning: Don't use the Docstring in main function (considered a bad habit)

Day 2

Call function

###From lesson 4 of Day 1 we have:
#####Lesson 1
##import random
##Nthrow=10 #We need to control how many dice are thrown
##nDecayed=0 #initial count
##nSurvived=0 #initial ocount
##for nThrow in range(Nthrow):
##    if random.randint(1,6)==6:
##        nDecayed+=1 #fancy way to add 1 to nDecayed
##        print("Decayed:",nDecayed)        
##    else:
##        nSurvived+=1 #adds on to number that survived
##        print("Survived:",nSurvived)
##print(nDecayed,'decayed\n', nSurvived,'survived')

### lesson 2 Turn this into a function so we don't need to look at it:
###Google {python simple function return variable}
###https://www.python-course.eu/python3_functions.php
###Warning: Don't use the Docstring in main function (considered a bad habit)
##import random
##def throwSomeDice(Nthrow):
##    print("Inside function throwSomeDice, with", Nthrow,"dice")
##
##    nDecayed=0 #initial count
##    nSurvived=0 #initial ocount
##    for nThrow in range(Nthrow):
##        rolledThis=random.randint(1,6)
##        if rolledThis==6:
##            nDecayed+=1 #fancy way to add 1 to nDecayed
##            print("Rooled",rolledThis,"Decayed:",nDecayed)        
##        else:
##            nSurvived+=1 #adds on to number that survived
##            print("Rooled",rolledThis,"Survived:",nSurvived)
##    print(nDecayed,'decayed\n', nSurvived,'survived')
##    print("Leaving function throwSomeDice")
##    return nSurvived
##print(throwSomeDice(10), 'are left')

Day 3

Today we "hide" throwSomeDice from our program to keep it short. This will require two python functions: program.py and diceFunctions.py in the same folder. Perhaps call the folder "dice"?

Later we will attempt to graph using https://www.python-course.eu/tkinter_canvas.php

From Day 2 we modify slightly:

program.py

##import random
##def throwSomeDice(Nthrow):
##    print("Inside function throwSomeDice, with", Nthrow,"dice")
##
##    nDecayed=0 #initial count
##    nSurvived=0 #initial ocount
##    for nThrow in range(Nthrow):
##        rolledThis=random.randint(1,6)
##        if rolledThis==6:
##            nDecayed+=1 #fancy way to add 1 to nDecayed
##            print("Rooled",rolledThis,"Decayed:",nDecayed)        
##        else:
##            nSurvived+=1 #adds on to number that survived
##            print("Rooled",rolledThis,"Survived:",nSurvived)
##    print(nDecayed,'decayed\n', nSurvived,'survived')
##    print("Leaving function throwSomeDice")
##    return nSurvived
##print(throwSomeDice(10), 'are left')

diceFunctions.py

##def throwSomeDice(Nthrow):
##    print("Inside function throwSomeDice, with", Nthrow,"dice")
##
##    nDecayed=0 #initial count
##    nSurvived=0 #initial ocount
##    for nThrow in range(Nthrow):
##        rolledThis=random.randint(1,6)
##        if rolledThis==6:
##            nDecayed+=1 #fancy way to add 1 to nDecayed
##            print("Rooled",rolledThis,"Decayed:",nDecayed)        
##        else:
##            nSurvived+=1 #adds on to number that survived
##            print("Rooled",rolledThis,"Survived:",nSurvived)
##    print(nDecayed,'decayed\n', nSurvived,'survived')
##    print("Leaving function throwSomeDice")
##    return nSurvived

If you get stuck just use these

program.py

from diceFunctions import throwSomeDice
Nsurvived_string= input('How many dice shall we start with? ')
Nsurvived=int(Nsurvived_string)
while Nsurvived>0:
    print(Nsurvived)
    nextN=throwSomeDice(Nsurvived)
    Nsurvived=nextN

diceFunctions.py

import random
def throwSomeDice(Nthrow):
    '''Throws Nthrow dice and returns the number of sixes'''

    nDecayed=0 #initial count
    nSurvived=0 #initial ocount
    for nThrow in range(Nthrow):
        rolledThis=random.randint(1,6)
        if rolledThis==6:
            nDecayed+=1 #fancy way to add 1 to nDecayed
            print("Rooled",rolledThis,"Decayed:",nDecayed)        
        else:
            nSurvived+=1 #adds on to number that survived
            print("Rooled",rolledThis,"Survived:",nSurvived)
    #print(nDecayed,'decayed\n', nSurvived,'survived')
    #print("Leaving function throwSomeDice")
    return nSurvived

Tkinter 1

Both codes belong in same folder. Run program.py.

Current convigurations shows experiment in red and 40 simulations in black. Dotted blue is the theoretical average decay.

It also fun to try: HALF= 200 and SHIFT=.01

program.py

#program.py
#http://zetcode.com/tkinter/drawing/
from tkinter import Tk, Canvas, Frame, BOTH
from diceFunctions import throwSomeDice

experiment=[22, 21, 21, 16, 10, 11, 6]

theory=[]
for i in range(len(experiment)):
    theory.append( experiment[0] * (5/6)**i  )
baseline=[0,0,0,0,0,0,0]

def simulate(experiment):
    Ndice=experiment[0]
    Nthrows=len(experiment)-1
    output=[Ndice]
    for i in range(Nthrows):
        Ndice=throwSomeDice(Ndice)
        output.append(Ndice)
    return output

def makeProcessed(raw,count):
    output=[]
    for i in range(len(raw)):
        output.append(100+100*i)
        output.append(24*30-30*raw[i]-count)
    return output

class Example(Frame):
    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):
        ###############################
        SHIFT=.15#.25 #vertical shift to delete overlap
        HALF=20#10 #Make 2*HALF graphs       
        #################################
        self.master.title("Lines")
        self.pack(fill=BOTH, expand=1)
        canvas = Canvas(self)
        canvas.create_line(makeProcessed(baseline,0),dash=(4,2))
        shift=0
        for count in range(2*HALF):
            shift+=SHIFT
            simData=simulate(experiment)
            canvas.create_line(makeProcessed(simData,shift))

        canvas.create_line(makeProcessed(experiment,HALF*SHIFT),fill="red")
        canvas.create_line(makeProcessed(theory,HALF*SHIFT),
           fill='blue', dash=(2,1))        
        canvas.pack(fill=BOTH, expand=1)       
def main():
    root = Tk()
    ex = Example()
    root.geometry("3000x800+5+5")
    root.mainloop()

if __name__ == '__main__':
    main()

diceFunctions.py

#diceFunctions.py 
import random
def throwSomeDice(Nthrow):
    '''Throws Nthrow dice and returns the number of sixes'''

    nDecayed=0 #initial count
    nSurvived=0 #initial ocount
    for nThrow in range(Nthrow):
        rolledThis=random.randint(1,6)
        if rolledThis==6:
            nDecayed+=1 #fancy way to add 1 to nDecayed
            #print("Rooled",rolledThis,"Decayed:",nDecayed)        
        else:
            nSurvived+=1 #adds on to number that survived
            #print("Rooled",rolledThis,"Survived:",nSurvived)
    #print(nDecayed,'decayed\n', nSurvived,'survived')
    #print("Leaving function throwSomeDice")
    return nSurvived

College enrollment noise

College	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015
Belmont Technical College	1714	1742	1798	2200	2319	2078	1652	1313	1043	1082
Central Ohio Technical College	3103	3112	3599	4377	4524	4281	3931	3758	3579	3576
Cincinnati State Tech. & Community College	8438	8815	8606	10326	11133	10785	11042	11942	11719	10596
Clark State Community College	3339	3392	3597	4510	5010	5167	5636	5653	5969	5620
Columbus State Community College	22745	23056	24482	28539	30513	30921	25970	25360	24532	26098
Cuyahoga Community College	26340	26488	27814	31024	31909	31301	30435	29267	28484	27850
Eastern Gateway Community College	1601	1744	1831	2095	2209	2441	2561	2927	3183	3025
Edison State Community College	3085	3079	3251	3357	3558	3459	3127	2946	3053	3220
Hocking Technical College	5581	5254	5645	6193	6332	5786	4485	4409	3945	3619
James A. Rhodes State College	3347	3380	3640	4117	4195	3969	3460	3344	3281	2988
Lakeland Community College	8788	9172	9201	9612	9996	9683	9447	8964	8410	8011
Lorain County Community College	10521	10824	11180	12783	13404	12933	12694	12276	11572	11516
Marion Technical College	2043	2126	2350	2654	2735	2789	2742	2691	2464	2440
North Central State College	3195	3152	3257	3586	3635	3382	2886	2958	2937	2938
Northwest State Community College	2881	3192	3185	3617	5238	4463	4296	4656	4719	4551
Owens State Community College	19633	21053	22178	23445	19640	16669	16903	15213	12493	11550
Rio Grande Community College	1528	1607	1386	1512	1649	1695	1689	1731	1649	1579
Sinclair Community College	22951	22629	23465	25589	26043	25144	24027	22853	21460	18610
Southern State Community College	2366	2438	2584	3363	3728	3352	2686	2431	2459	2519
Stark State College of Technology	7920	8632	9516	12610	14709	15494	15252	14963	13561	12103
Terra State Community College	2324	2582	2664	3222	3560	3501	3192	2898	2540	2654
Washington State Community College	2316	2225	2081	2192	2365	2226	1895	1787	1613	1550
Zane State College	1934	2076	2312	2585	2856	2941	2918	3652	4009	3209
Community Colleges Total	167693	171770	179622	203508	211260	204460	192926	187992	178674	170904