Summary

Summary is a list of numbers where the sum of consecutive numbers determines the command

Interpreter

def interpret(nums):
    stack = []
    i = 0
    while i < len(nums)-1:
        sum_ = nums[i]+nums[i+1]
        if sum_ == 1:
            if i+2 < len(nums):
                stack.append(nums[i+2])
                i += 1
        elif sum_ == 2:
            if stack: stack.pop()
        elif sum_ == 3:
            if stack: print(stack.pop())
        elif sum_ == 4:
            if len(stack) > 1: stack.append(stack.pop()+stack.pop())
        elif sum_ == 5:
            if len(stack) > 1: stack.append(stack.pop()-stack.pop())
        elif sum_ == 6:
            if i+2 < len(nums) and -1<nums[i+2]<len(nums):
                i = nums[i+2]-1
        elif sum_ == 7:
            if stack and stack.pop()==0 and i+2 < len(nums) and -1<nums[i+2]<len(nums):
                i = nums[i+2]-1
        elif sum_ == 8:
            if stack:
                stack.append(stack[-1])
        elif sum_ == 9:
            if stack and stack.pop()>0 and i+2 < len(nums) and -1<nums[i+2]<len(nums):
                i = nums[i+2]-1
        elif sum_ == 10:
            if stack and stack.pop()<0 and i+2 < len(nums) and -1<nums[i+2]<len(nums):
                i = nums[i+2]-1
        i += 1
nums = [1,0,1,7,-4,5,1,3,5,-2,8,4] #count up program
interpret(nums)