Homework

python/task/main.py

@@ -0,0 +1,82 @@
+def task1():
+    def print_values(dct, x):
+        result = []
+        for key, value in dct.items():
+            if isinstance(value, dict):
+                if x in value:
+                    result.append(value[x])
+            elif key == x:
+                result.append(value)
+        print(" ".join(map(str, result)))
+
+    dct = {1: 123, 2: 234, 3: {1: 111, 2: 222}, 4: {1: "abc", 2: "def"}}
+    x = 1
+    print_values(dct, x)
+
+
+def task2():
+    def code(string, n):
+        result = []
+        for char in string:
+            if "a" <= char <= "z":
+                result.append(chr((ord(char) - ord("a") + n) % 26 + ord("a")))
+            elif "A" <= char <= "Z":
+                result.append(chr((ord(char) - ord("A") + n) % 26 + ord("A")))
+            else:
+                result.append(char)
+        return "".join(result)
+
+    print(code("Hello, World!", 1))
+
+
+def task3():
+    squares = (lambda x: x**2 for x in range(10))
+    for square in squares:
+        print(square)
+
+
+def task4():
+    reverse_lowercase = lambda s: s.lower()[::-1]
+    print(reverse_lowercase("ACbdzYx"))
+
+
+def task5():
+    sequence = [i for i in range(1, 11) for _ in range(i)]
+    print(sequence)
+
+
+def task6():
+    def parse_ranges(ranges_string):
+        result = []
+        ranges = ranges_string.split(",")
+        for r in ranges:
+            start, end = map(int, r.split("-"))
+            result.extend(range(start, end + 1))
+        return result
+
+    print(parse_ranges("1-2,4-4,3-6"))
+
+
+def task7():
+    def msum(matrix):
+        return sum(sum(row) for row in matrix)
+
+    matrix = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]
+    print(msum(matrix))  # Результат: 45
+
+
+if __name__ == "__main__":
+    print("Task1:")
+    task1()
+    print("Task 2:")
+    task2()
+    print("Task 3:")
+    task3()
+    print("Task 4:")
+    task4()
+    print("Task 5:")
+    task5()
+    print("Task 6:")
+    task6()
+    print("Task 7:")
+    task7()