friend_fcuntion

I was stuck on def people_who_like_color(people, color) and def get_color_dict(people); I forgot to define the list or dict first;
Or sometimes I used the wrong label for them. I checked the output when I test it and also ask ChatGPT to identify what's wrong with my code.

friend_functions.py

@@ -17,7 +17,10 @@ def count_people(people):
         >>> count_people(friends)
         10
     """
-    raise NotImplementedError()
+    n = 0
+    for i in people:
+        n = n + 1
+    return n
 
 def get_email(people, name):
     """Returns the named person's email address. If there is no such person, returns None.
@@ -27,7 +30,10 @@ def get_email(people, name):
         >>> get_email(friends, "Tad Winters")
         None
     """
-    raise NotImplementedError()
+    for person in people:
+        if person["name"] == name:
+            return person["email"]
+    return None
 
 def count_favorite_colors(people, name):
     """Returns the number of colors liked by the named person. If there is no such person, returns None.
@@ -37,7 +43,10 @@ def count_favorite_colors(people, name):
         >>> count_favorite_colors(family, "Raphael Chambers")
         1
     """
-    raise NotImplementedError()
+    for person in people:
+        if person["name"] == name:
+            return len(person["favorite_colors"])
+    return None  # If the person is not found
 
 def people_who_like_color(people, color):
     """Returns a list containing only those people who like the given color.
@@ -57,7 +66,11 @@ def people_who_like_color(people, color):
         >>> people_who_like_color(family, "indigo")
         []
     """
-    raise NotImplementedError()
+    matching_people = []
+    for person in people:
+        if color in person["favorite_colors"]:
+            matching_people.append(person)
+    return  matching_people
 
 def count_people_who_like_color(people, color):
     """Returns the number of people who like a given color. 
@@ -67,7 +80,13 @@ def count_people_who_like_color(people, color):
         >>> count_people_who_like_color(family, "orange")
         1
     """
-    raise NotImplementedError()
+    n = 0
+    for person in people:
+        for colors in person["favorite_colors"]:
+            if colors == color:
+                n = n + 1
+    return n
+
 
 def get_color_dict(people):
     """Returns a dict showing how many people like each color. 
@@ -86,7 +105,17 @@ def get_color_dict(people):
             "orange": 1,
         }
     """
-    raise NotImplementedError()
+    color_dict = {}
+
+    for person in people:
+        for color in person["favorite_colors"]:
+            if color in color_dict:
+                color_dict[color] = color_dict[color] + 1
+            else:
+                color_dict[color] = 1
+    return color_dict
+
+