Efficient program to check given number is a perfect square of 2 (OmkarPathak#12)

Author: Subrhamanya

CompetitiveProgramming/HackerEarth/Algorithms/logics/perfectsquareof2.py

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+# Efficient Python program to check entered number is a perfect square of 2 or not
+# Example
+# 8
+# Its a perfect square of 2
+
+
+
+n = int(input("Enter a number"))
+if n & (n - 1) == 0:
+    print("Its a perfect square of 2")
+else:
+    print("Its not perfect square")