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Python Math: Casino simulation

Python Math: Exercise-70 with Solution

Write a Python program for casino simulation.

Sample Solution:-

Python Code:

#https://gist.github.com/ivanGzz/243a453ba6499a49027c19cac60471f6
import random
import math

limit = 1000
acc = 0
results = []
exp = 1000


for i in range(exp):
  color = 0
  amount = 10000
  max_amount = amount
  bid = 1
  count = 0
  while count < limit and amount > 0 :
    amount = amount - bid
    next = random.randint(0, 1)
    if next == color :
      amount = amount + bid + bid
      bid = 1
      # color = 1 if color == 0 else 0
      if amount > max_amount:
        max_amount = amount
    else :
      bid = bid + bid
    count = count + 1
  acc = acc + max_amount
  results.append(max_amount)
  print("Exp {}".format(i))

avg = acc / exp
acc = 0
for i in range(len(results)):
  acc = acc + math.pow(results[i] - avg, 2)
std = math.sqrt(acc / exp)

print("Average max amount earned {} with standard deviation {}".format(avg, std))

Sample Output:

Exp 0                                                                                                         
Exp 1                                                                                                         
Exp 2                                                                                                         
Exp 3                                                                                                         
Exp 4                                                                                                         
Exp 5    
----
Exp 998                                                                                                       
Exp 999                                                                                                       
Average max amount earned 10489.705 with standard deviation 56.22367806360589 

Flowchart:

Flowchart: Casino simulation

Visualize Python code execution:

The following tool visualize what the computer is doing step-by-step as it executes the said program:

Python Code Editor:

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Python: Tips of the Day

Find current directory and file's directory:

To get the full path to the directory a Python file is contained in, write this in that file:

import os 
dir_path = os.path.dirname(os.path.realpath(__file__))

(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)

To get the current working directory use

import os
cwd = os.getcwd()

Documentation references for the modules, constants and functions used above:

  • The os and os.path modules.
  • The __file__ constant
  • os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
  • os.path.dirname(path) (returns "the directory name of pathname path")
  • os.getcwd() (returns "a string representing the current working directory")
  • os.chdir(path) ("change the current working directory to path")

Ref: https://bit.ly/3fy0R6m