How to connect random number generation to an item

Question

I am using this code below to generate a number between 1 to 10 continuously until it generates either 9 or 10 before it stops

import random
while True:
   rand = random.randint(1, 10)
   print(rand)
   if rand > 8:
       break

https://stackoverflow.com/a/47477745/9003921

I want to display another item if it generates a number from 1 to 8 for example if it generates the number 3 I want it to print out a name in order from a stack data structure. If it generates the numbers 9 or 10 it would break.

An example of the stack data structure

1. Mary
2. Peter
3. Bob
4. John
5. Kim

The stack code I'm using is

class Stack:
     def __init__(self):
         self.container = []  

     def isEmpty(self):
         return self.size() == 0   

     def push(self, item):
         self.container.append(item)  

     def peek(self) :
         if self.size()>0 :
             return self.container[-1]
         else :
             return None

     def pop(self):
         return self.container.pop()  

     def size(self):
         return len(self.container)

However, I'm not sure how to proceed from here

Answer 1

I think this is what you want. It generates a random number from 1-10 and prints the number. It does this infinitely unless the number is greater than 8 (9 or 10) - (as in the question). The method printItem is called when the number is equal to 3 (this can be changed). This method has one non-self parameter called run (can be renamed). This is what changes which name is printed. It prints the names in the order of the stack - last item is printed first - you could always change this if it is not the order that you want. run is used as an index for the Stack, which one is subtracted from each time the method is called. Here is the code, you can try it out:

import random
class Stack:
    def __init__(self):
        self.container = []  

    def isEmpty(self):
        return self.size() == 0   

    def push(self, item):
        self.container.append(item)  

    def peek(self) :
        if self.size()>0 :
            return self.container[-1]
        else :
            return None

    def pop(self):
        return self.container.pop()  

    def size(self):
        return len(self.container)

    def printItem(self, run):
        print(self.container[run]) # Prints last item/name


# The stack is called 'Names'
Names = Stack()
# Adds names to the stack
Names.push('Mary')
Names.push('Peter')
Names.push('Bob')
Names.push('John')
Names.push('Kim')
# sets run to -1 (last (first) item in stack)
run = -1
while True:
    rand = random.randint(1, 10)
    print(rand)
    if rand > 8:
        break
    elif rand == 3:
        # Calls printItem with run as parameter
        Names.printItem(run)
        run-=1 # Subtracts one from run
        # Sets run to -1 again if all names have been printed
        if run<(-1*Names.size()):
            run = -1

I hope this helped!
Just FYI, if you wanted run to be a variable specific to the object, you would just add it to Stack's __init__ method.