python vscode sandbox

launch.json

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Python: Current File",
            "type": "python",
            "pythonPath": "${config:python.pythonPath}",            
            "request": "launch",
            "program": "${file}",
            "stopOnEntry": false,
            "console": "integratedTerminal"
        }
    ]
}i

leetcode.py

# Definition for a binary tree node.
class TreeNode:
    def __init__(self, x):
        self.val = x
        self.left = None
        self.right = None


def treeNodeToString(root):
    if not root:
        return "[]"
    output = ""
    queue = [root]
    current = 0
    while current != len(queue):
        node = queue[current]
        current = current + 1

        if not node:
            output += "null, "
            continue

        output += str(node.val) + ", "
        queue.append(node.left)
        queue.append(node.right)
    return "[" + output[:-2] + "]"

def stringToTreeNode(input):
    input = input.strip()
    input = input[1:-1]
    if not input:
        return None

    inputValues = [s.strip() for s in input.split(',')]
    root = TreeNode(int(inputValues[0]))
    nodeQueue = [root]
    front = 0
    index = 1
    while index < len(inputValues):
        node = nodeQueue[front]
        front = front + 1

        item = inputValues[index]
        index = index + 1
        if item != "null":
            leftNumber = int(item)
            node.left = TreeNode(leftNumber)
            nodeQueue.append(node.left)

        if index >= len(inputValues):
            break

        item = inputValues[index]
        index = index + 1
        if item != "null":
            rightNumber = int(item)
            node.right = TreeNode(rightNumber)
            nodeQueue.append(node.right)
    return root

settings.json

{
    "python.pythonPath": "/Users/jojonki/anaconda3/envs/py38/bin/python"
}

tasks.json

{
    // See https://go.microsoft.com/fwlink/?LinkId=733558
    // for the documentation about the tasks.json format
    "version": "2.0.0",
    "tasks": [
        {
            "label": "Python",
            "args": ["${file}"],
            "type": "shell",
            "command": "${config:python.pythonPath}",
            "problemMatcher": [],
            "isShellCommand": true,
            "group": {
                "kind": "build",
                "isDefault": true
            },
        }
    ]
}