Update 901. Online Stock Span.py

Co-Authored-By: Antim-IWP <203163676+Antim-IWP@users.noreply.github.com>
Co-Authored-By: Shiwangi Srivastava <174641070+IamShiwangi@users.noreply.github.com>

Author: 3 people

Solution/901. Online Stock Span/901. Online Stock Span.py

@@ -0,0 +1,15 @@
+class StockSpanner:
+    def __init__(self):
+        self.stk = []
+
+    def next(self, price: int) -> int:
+        cnt = 1
+        while self.stk and self.stk[-1][0] <= price:
+            cnt += self.stk.pop()[1]
+        self.stk.append((price, cnt))
+        return cnt
+
+
+# Your StockSpanner object will be instantiated and called as such:
+# obj = StockSpanner()
+# param_1 = obj.next(price)