feat: kata 'Who has the most money' compleated.

src/codewars/kata_who_the_most_money.py

@@ -0,0 +1,15 @@
+class Student:
+    def __init__(self, name, fives, tens, twenties):
+        self.name = name
+        self.fives = fives
+        self.tens = tens
+        self.twenties = twenties
+
+
+def most_money(students):
+    student_names = [x.name for x in students]
+    student_money = [x.fives * 5 + x.tens * 10 + x.twenties * 20 for x in students]
+
+    if len(set(student_money)) == 1 and len(student_money) > 1:
+        return "all"
+    return max(list(zip(student_names, student_money)), key=lambda x: x[1])[0]