part 5.4 added + some exercises

Author: antoniolopez7217

part5/4. Tuple/create_tuple.py

@@ -0,0 +1,17 @@
+# Please write a function named create_tuple(x: int, y: int, z: int), 
+# which takes three integers as its arguments, and creates and returns a tuple based on the following criteria:
+
+# The first element in the tuple is the smallest of the arguments
+# The second element in the tuple is the greatest of the arguments
+# The third element in the tuple is the sum of the arguments
+# An example of its use:
+
+
+# if __name__ == "__main__":
+#     print(create_tuple(5, 3, -1))
+
+# (-1, 5, 7)
+
+def create_tuple(x: int, y: int, z: int):
+    values = [x, y, z]
+    return (min(values), max(values), sum(values))

part5/4. Tuple/oldest_person.py

@@ -0,0 +1,25 @@
+# Please write a function named oldest_person(people: list), which takes a list of tuples as its argument. 
+# In each tuple, the first element is the name of a person, and the second element is their year of birth. 
+# The function should find the oldest person on the list and return their name.
+
+# An example of the function in action:
+
+# p1 = ("Adam", 1977)
+# p2 = ("Ellen", 1985)
+# p3 = ("Mary", 1953)
+# p4 = ("Ernest", 1997)
+# people = [p1, p2, p3, p4]
+
+# print(oldest_person(people))
+
+# Mary
+
+def oldest_person(people: list):
+    oldest = people[0][0]
+    year = people[0][1]
+    for person in people:
+        if person[1] < year:
+            year = person[1]
+            oldest = person[0]
+    return oldest
+

part5/README.md

@@ -26,10 +26,10 @@
 8. [Movie database](https://github.com/antoniolopez7217/Python_Programming_MOOC/blob/main/part5/3.%20Dictionary/movie_database.py)
 9. [Find movies](https://github.com/antoniolopez7217/Python_Programming_MOOC/blob/main/part5/3.%20Dictionary/find_movies.py)
 ### Tuple
-1. Create a tuple
-2. The oldest person
-3. Older people
-4. Student database
-5. A square of letters
+1. [Create a tuple]()
+2. [The oldest person]()
+3. [Older people]()
+4. [Student database]()
+5. [A square of letters]()
 
 *All subjects are included as comments within the file of each exercise.*