Added BS solution in python

Author: arc9693

binary_search/solution.py

@@ -0,0 +1,22 @@
+def binarySearch(arr,ele):
+	l=0
+	r=len(arr)-1
+	while(l<=r):
+		m=(l+r)//2
+		if(arr[m]==ele):
+			return True
+		else:
+			if(arr[m]<ele):
+				l=m+1
+			else:
+				r=m-1
+	return False
+
+if __name__ == '__main__':
+	#sorted array
+	arr=[1,2,3,4,5]
+
+	if(binarySearch(arr,1)):
+		print("Exists")
+	else:
+		print("Doesnt exist")