Am adaugat materialele din săpt trecute.

python/laborator/lab3.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Created on Fri Mar  6 14:12:20 2026
+
+@author: alex
+"""
+
+#functii
+
+def este_prim(n):
+    if n < 2:
+        return False
+    for i in range(2, int(n**0.5) + 1):
+        if n%i == 0:
+            return False
+    return True
+
+def cmmdc(a, b):
+    a, b = abs(a), abs(b)
+    while b != 0:
+        a,b = b, a % b
+    return a
+
+
+def cmmc(a, b):
+    if a == 0 or b == 0:
+        return 0
+    return abs(a * b) // cmmdc(a, b)
+
+
+#cod
+
+#for n in [1, 2, 3 ,4, 17, 18, 97, 100]:
+#    stare = "prim" if este_prim(n) else "compus"
+#    print(f"{n:3d} este {stare}")
+
+perechi = [(12, 8), (100, 75), (17,13), (48, 36)]
+print(f"{'a':>5} {'b':>5} {'CMMDC':>8} {'CMMC':>8}")
+print("-" * 30)
+for a, b in perechi:
+    print(f"{a:>5} {b:>5} {cmmdc(a, b):>8} {cmmc(a, b):>8}")