write function to clear last i bits in python

justanindieguy · Jan 27, 2023 · 066c788 · 066c788
1 parent 150321d
commit 066c788
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/Bit-manipulationTechniques/ClearLastIBits/main.py b/Bit-manipulationTechniques/ClearLastIBits/main.py
@@ -0,0 +1,15 @@
+def clear_last_i_bits(n: int, i: int):
+    mask = -1 << i
+    return n & mask
+
+
+def main():
+    n = 15
+    i = int(input())
+
+    n = clear_last_i_bits(n, i)
+    print(n)
+
+
+if __name__ == "__main__":
+    main()