feat: Added several demo programs

py/examples_tutorials/.gitignore

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+downloaded_files

py/examples_tutorials/enums_demo.py

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+#!/usr/bin/env python3
+r"""
+Documentation
+
+License: This program is released under the MIT License
+"""
+
+# Imports
+from enum import Enum
+
+class Color(Enum):
+    RED = '#FF0000'
+    GREEN = '#00FF00'
+    BLUE = '#0000FF'
+
+# function which uses the Enum
+def paint_wall(color: Color) -> None:
+    match color:
+        case Color.RED:
+            print("Red wall, are you serious?")
+        case Color.GREEN:
+            print("Green wall, very foresty.")
+        case Color.BLUE:
+            print("Blue wall, I like it.")
+        case _:
+            print("Other colors are not preferred.")
+
+# Main function
+def main() -> None:
+    # Check Enum name and value
+    print(f"Enum: {Color.RED} Name: {Color.RED.name} Value: {Color.RED.value}")
+    # function that uses Enum
+    paint_wall(Color.RED)
+    # print all Enum values
+    print([x.value for x in Color])
+
+    # check if value is a member of the Enum, kind of pointless as IDE will report the problem ahead
+    # print(Color.BLACK in Color)
+
+# Call main function
+if __name__ == '__main__':
+    main()

py/examples_tutorials/numpy_demo.py

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+#!/usr/bin/env python3
+
+import numpy as np
+
+celsius_temps = np.array([70, 75, 80])
+fahrenheit_temps = (celsius_temps * 9/5) + 32
+
+print(fahrenheit_temps)  # [158. 167. 176.]
+
+
+revenues = np.array([1000, 1500, 800, 2000, 1200])
+costs = np.array([600, 900, 500, 1100, 700])
+tax_rates = np.array([0.15, 0.18, 0.12, 0.20, 0.16])
+
+gross_profits = revenues - costs
+net_profits = gross_profits * (1 - tax_rates)
+
+print(net_profits) # [340. 492. 264. 720. 420.]

py/examples_tutorials/seleniumbase_demo.py

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+#!/usr/bin/env python3
+from seleniumbase import SB
+from seleniumbase.common.exceptions import WebDriverException
+import re
+
+def main():
+        try:
+            with SB(uc=True, headless=True) as sb:
+                """
+                UC mode is designed to make browser automation appear human and thus evade detection by anti-bot systems.
+                CDP mode uses the Chrome DevTools Protocol to allow more direct and lower-level control over the browser.
+                don't need this # sb.activate_cdp_mode(url)
+                """
+
+                sb.open("https://www.openssh.org/goals.html")
+
+                # page source
+                print(sb.get_page_source())
+                print("-" * 80)
+
+                # enumerate all elements... causes TimeoutError
+                # all_elements = sb.find_elements("xpath", "/html/body/*")
+                # print(f"Total elements found: {len(all_elements)}")
+                # for elem in all_elements:
+                #     print(elem.tag_name)
+                # print("-" * 80)
+
+                # specific html element and element id
+                print(sb.get_text("/html/body/h2[@id='OpenBSD']"))
+                print("-" * 80)
+
+                # similar to the above, but line breaks are differently presented
+                print(sb.get_element("xpath", "//h2[@id='OpenBSD']").get_attribute('innerText'))
+                print("-" * 80)
+
+        except WebDriverException as e:
+            print(f"Failed to get page: {e}")
+        except Exception as e:
+            print(e)
+
+
+if __name__ == '__main__':
+    main()