assign

test/ruby/28.in

@@ -1,31 +1,34 @@
-def count_words(text):
-    words = text.lower().split()
-    word_count = {}
+class BankAccount:
+    def __init__(self, owner, balance=0):
+        self.owner = owner
+        self.balance = balance
     
-    for word in words:
-        word = word.strip('.,!?')
-        if word in word_count:
-            word_count[word] =  word_count[word] + 1
-        else:
-            word_count[word] = 1
+    def deposit(self, amount):
+        if amount > 0:
+            self.balance += amount
+            return True
+        return False
     
-    return word_count
+    def withdraw(self, amount):
+        if 0 < amount <= self.balance:
+            self.balance -= amount
+            return True
+        return False
+    
+    def get_balance(self):
+        return self.balance
+    
+    def __str__(self):
+        return f"Account({self.owner}, Balance: ${self.balance:.2f})"
 
-def find_most_common(word_count):
-    most_common = None
-    max_count = 0
-    
-    for word, count in word_count.items():
-        if count > max_count:
-            most_common = word
-            max_count = count
-    
-    return most_common, max_count
+account = BankAccount("Alice", 1000)
+print(account)
 
-text = "Hello world hello there world hello"
-counts = count_words(text)
-common_word, frequency = find_most_common(counts)
+print(f"Deposit $500: {account.deposit(500)}")
+print(f"Balance: ${account.get_balance()}")
 
-print(f"Text: {text}")
-print(f"Word counts: {counts}")
-print(f"Most common: '{common_word}' appears {frequency} times")
+print(f"Withdraw $200: {account.withdraw(200)}")
+print(f"Balance: ${account.get_balance()}")
+
+print(f"Withdraw $2000: {account.withdraw(2000)}")
+print(f"Final balance: ${account.get_balance()}")