Batool_design_browser_history

src/brain_teasers/python/design_browser_history/src/design_browser_history.py

@@ -0,0 +1,51 @@
+
+class BrowserHistory:
+    def __init__(self, homepage: str):
+        """
+        Initializes a new BrowserHistory instance with the given homepage.
+
+        Parameters:
+        - homepage (str): The URL of the homepage.
+
+        :param homepage: str
+        """
+        # List to store visited url webpages
+        self.urls_history= [homepage]
+        # current position index
+        self.index= 0
+
+    def visit(self, url: str) -> None:
+        """
+        :param url: str -  The url of webpage
+        :return: None
+        I tried another solution but since the test cases are fixed
+        , I could not change the function storing way
+        """
+        self.urls_history = self.urls_history[: self.index + 1]
+        # append new webpage
+        self.urls_history.append(url)
+
+        # increase webpage index
+        self.index = len(self.urls_history) -1
+
+    def back(self, steps: str) -> str:
+        """
+        :param steps: the backward steps
+        :return: string - current url webpage after moving backward
+        """
+        # go backward # steps, but not  further than 0 (worst case)
+        self.index = max(0, self.index - steps)
+
+        # return the new webpage url
+        return self.urls_history[self.index]
+
+    def forward(self, step: int) -> str:
+        """
+        :param step:the forward steps
+        :return:string - current url webpage after moving forward
+        """
+        # move forward # steps, limited by the last index
+        self.index = min(len(self.urls_history)-1, self.index + step)
+
+        ## return the new webpage url
+        return self.urls_history[self.index]

src/brain_teasers/python/design_browser_history/tests/test_design_browser_history.py

@@ -1,6 +1,9 @@
 import unittest
 
-from src.design_browser_history import BrowserHistory
+# from src.design_browser_history import BrowserHistory
+#Edited to test locally in my PC
+
+from src.brain_teasers.python.design_browser_history.src.design_browser_history import BrowserHistory
 
 
 class TestDesignBrowserHistory(unittest.TestCase):