started lab5

IS/Lab/Lab5/customhash.py

@@ -0,0 +1,31 @@
+import time
+
+MASK32 = 0xFFFFFFFF
+
+def hash_gen(s: str, h: int, mult: int):
+    """Compute hash of the whole string, print it each loop iteration, repeat."""
+    try:
+        while True:
+            cur = h & MASK32
+            for ch in s:
+                cur = (cur * mult + ord(ch)) & MASK32
+            cur ^= (cur >> 16)
+            cur = (cur * 0x85ebca6b) & MASK32
+            cur ^= (cur >> 13)
+            print(f"String: {s!r}  Hash: {cur:#010x}")
+            h = cur
+            time.sleep(2)
+    except KeyboardInterrupt:
+        print("\nStopped.")
+
+def main():
+    hash_init = int(input("Enter initial Hash value: "))
+    hash_mult = int(input("Enter Hash Multiplier: "))
+
+    s = input("Enter String to Hash: ")
+    print("Welcome to the Hash Generator™: ")
+    hash_gen(s, hash_init, hash_mult)
+
+if __name__ == '__main__':
+    main()
+