Update paths and actually add files

shared/notes-and-examples/2026.01.28/main.py

@@ -0,0 +1,51 @@
+some_numbers = [2, 5, 20, 18, 4]
+
+more_numbers = some_numbers.copy()
+
+some_numbers[2] = 100
+
+# print(more_numbers[2])  # prints 100?
+
+class Sample:
+    other_samples = []
+    value = 0
+
+samples = [Sample(), Sample(), Sample()]
+more_samples = samples.copy()  # shallow copy
+samples[1].value = 10
+samples[1].other_samples.append(samples[0])
+# print(more_samples[1].value)  # 10
+
+samples.append(Sample())
+samples[3].value = 100
+# print(more_samples[3].value)
+
+other_sample.value = 40
+# print(sample.value)
+
+class Dog:
+    def __init__(self, age, name):
+        self.age = age
+        self.name = name
+
+# dog_1 = Dog()
+
+class Node:
+    next_node = None
+
+    def __init__(self, value):
+        self.value = value
+    
+node_1 = Node(0)
+node_2 = Node(0)
+
+node_2.value = 10
+
+node_1.next_node = node_2
+
+node_2.value = 20
+
+current_node = node_1
+while (current_node != None):
+    print(current_node.value)
+    current_node = current_node.next_node