update docker-compose cold.py

Author: rambasnet

demo-assignments/A1-OOP/cold/cold.py

@@ -5,6 +5,7 @@
 https://open.kattis.com/problems/cold
 """
 
+# for Python 3.7 - 3.9 compatibility for type hinting of class methods
 from __future__ import annotations
 
 __author__ = "Ram Basnet"
@@ -20,7 +21,7 @@
 
 
 class Solution():
-    """ Solution class to solve the problem using Singleton pattern"""
+    """ Solution class to solve the problem using Singleton pattern. """
 
     _instance: "Solution" | None = None
 
@@ -37,7 +38,7 @@ def __new__(cls) -> "Solution":
         return cls._instance
 
     def __init__(self) -> None:
-        """ Constructor
+        """ Constructor.
         """
         self._n: int = 0  # number of temperatures
         self._data: str = ''  # data
@@ -61,15 +62,14 @@ def read_data(self, source: Any) -> None:
         Args:
             source (Any): stdin typically for kattis problem
         """
-        # ignore the first line
         data = source.readlines()
         self._n = int(data[0])
         self._data = data[1].strip()
         self._temps = [Temperature(int(i)) for i in self._data.split()]
 
     @property
     def n(self) -> int:
-        """Returns the number of temperature readings
+        """ Returns the number of temperature readings.
 
         Returns:
             int: number of temperature readings
@@ -78,7 +78,7 @@ def n(self) -> int:
 
     @property
     def data(self) -> str:
-        """ Returns the data
+        """ Returns the data.
 
         Returns:
             str: data
@@ -90,7 +90,6 @@ def solve(self, source: Any) -> None:
         """
         self.read_data(source)
         print(self.find_answer())
-        # sys.stdout.write('1')
 
     @staticmethod
     def main() -> None:

docker-compose.yml

@@ -20,8 +20,7 @@ services:
     privileged: true # Grant full privileges to the container
     ports:
       - 8888:8888
-    command:
-      ["sh", "-c", "sudo chown user --recursive /home/user; tail -f /dev/null"]
+    command: ["sh", "-c", "tail -f /dev/null"]
 
 networks:
   default: