add easy setup for API-key, replace nordic and kelvin to celsius

src/my_package/setup.py

@@ -0,0 +1,25 @@
+import os
+
+def set_up_API():
+    # Define the path to the .env file at the root of the project
+    env_filepath = os.path.join(os.path.dirname(__file__), "../../.env")
+
+    # Stores the API_EMAIL and API_KEY
+    API_EMAIL = input("Write your API - email: ")
+    API_KEY = input("Write your API - key: ")
+
+    # Prints the file path
+    print(f".env file created at: {env_filepath}")
+
+    # Writes the API_EMAIL and API_KEY 
+    with open (env_filepath, "w") as env_file:
+        env_file.write(f'API_EMAIL = "{API_EMAIL}"')
+        env_file.write("\n")
+        env_file.write(f'API_KEY = "{API_KEY}"') 
+
+    # Confirmation messages
+    print("Values are stored!")
+    print("You can now run the notebooks, and get data!")
+
+print("Add your info to OpenWeatherMap.com, and the function will create and add the info to env.")
+set_up_API()

src/my_package/util.py

@@ -0,0 +1,12 @@
+def replace_nordic(city_name):
+    for letter in city_name:
+        if letter in 'æøå':
+            city_name = city_name.replace('æ', 'ae')
+            city_name = city_name.replace('ø', 'o')
+            city_name = city_name.replace('å', 'aa')
+    return city_name
+
+
+def kelvin_to_celsius(temp_in_kelvin):
+    temp_in_celsius = temp_in_kelvin - 273.15
+    return temp_in_celsius