練習js 解題，oop練習寫繼承

Author: clingoram

javascript/LeetCode/math/3602.js

@@ -0,0 +1,21 @@
+/**
+ * 3602. Hexadecimal and Hexatrigesimal Conversion
+ * 
+ * hexadecimal = base 16，使用數字0 - 9和大寫A - F代表0 - 15
+ * hexatrigesimal = base 16，使用數字0 - 9和大寫A - Z代表0 - 35
+ * 取得hexadecimal的n的二次方(n * 2)和hexatrigesimal的n的三次方（n * 3)串連
+ * @param {number} n
+ * @return {string}
+ */
+var concatHex36 = function(n) {
+  return ((n ** 2).toString(16) + (n ** 3).toString(36)).toUpperCase();
+};
+let n = 36
+/** 
+ * Output: "5101000"
+n2 = 36 * 36 = 1296. In hexadecimal, it converts to (5 * 162) + (1 * 16) + 0 = 1296, which corresponds to "510".
+n3 = 36 * 36 * 36 = 46656. In hexatrigesimal, it converts to (1 * 363) + (0 * 362) + (0 * 36) + 0 = 46656, which corresponds to "1000".
+Concatenating both results gives "510" + "1000" = "5101000".
+ * 
+*/
+console.log(concatHex36(n));

javascript/index.js

@@ -1,4 +1,5 @@
 // debugger
+import { format } from 'node:path';
 import {ExecutionTimer} from './time.js';
 import assert from 'node:assert/strict';
 
@@ -1028,9 +1029,6 @@ var closetPair = function(arr1,arr2,x) {
 // [1,30];
 // console.log(closetPair(arr1,arr2,x));
 
-
-
-
 /**
  * 166. Fraction to Recurring Decimal
  * 

python/index.py

@@ -31,6 +31,7 @@
 greek.environment()
 greek.attack()
 greek.affend()
+print(greek.specice)
 
 # lion = Lion("獅子","未知","肉食")
 # lion.eat()

python/oop/Testudo_graeca.py

@@ -0,0 +1,7 @@
+# 歐洲陸龜
+from oop.Tortoise import Tortoise
+
+# 繼承自父類別(Tortoise)，可以把該類別想成是孫子(Multilevel Inheritance)，它的上一輩是Single Inheritance
+class Testudo_graeca(Tortoise):
+    def __init__(self, name, age, food, speciceType):
+        super().__init__(name, age, food, speciceType)

python/oop/Tortoise.py

@@ -1,8 +1,14 @@
+# 陸龜
 from oop.Animal import Animal
 
 class Tortoise(Animal):
+
+    # class variable
+    # a property of the class itself.
+    specice = "Spurred tortoise"
 
     def __init__(self, name, age, food,speciceType:str):
+        # instance variable.Unique to each instance
         super().__init__(name, age, food)
         self.speciceType = speciceType
 

python/oop/Turtle.py

@@ -0,0 +1,6 @@
+# 澤龜
+from oop.Animal import Animal
+
+class Turtle(Animal):
+    def __init__(self, name, age, food):
+        super().__init__(name, age, food)