diff --git a/data_structures/2_Arrays/Solution/1_expenses.py b/data_structures/2_Arrays/Solution/1_expenses.py
index 41bfc44..60e0f56 100644
--- a/data_structures/2_Arrays/Solution/1_expenses.py
+++ b/data_structures/2_Arrays/Solution/1_expenses.py
@@ -1,37 +1,57 @@
 # 1. Let us say your expense for every month are listed below,
 # 	1. January -  2200
 #  	2. February - 2350
-#     3. March - 2600
-#     4. April - 2130
-#     5. May - 2190
-#
-# Create a list to store these monthly expenses and using that find out,
-#
-# 1. In Feb, how many dollars you spent extra compare to January?
-# 2. Find out your total expense in first quarter (first three months) of the year.
-# 3. Find out if you spent exactly 2000 dollars in any month
-# 4. June month just finished and your expense is 1980 dollar. Add this item to our monthly expense list
-# 5. You returned an item that you bought in a month of April and
-# got a refund of 200$. Make a correction to your monthly expense list
-# based on this
-
-exp = [2200,2350,2600,2130,2190]
-
-# 1. In Feb, how many dollars you spent extra compare to January?
-print("In feb this much extra was spent compared to jan:",exp[1]-exp[0]) # 150
-
-# 2. Find out your total expense in first quarter (first three months) of the year
-print("Expense for first quarter:",exp[0]+exp[1]+exp[2]) # 7150
-
-# 3. Find out if you spent exactly 2000 dollars in any month
-print("Did I spent 2000$ in any month? ", 2000 in exp) # False
-
-# 4. June month just finished and your expense is 1980 dollar. Add this item to our monthly expense list
-exp.append(1980)
-print("Expenses at the end of June:",exp) # [2200, 2350, 2600, 2130, 2190, 1980]
-
-# 5. You returned an item that you bought in a month of April and
-# got a refund of 200$. Make a correction to your monthly expense list
-# based on this
+#   3. March - 2600
+#   4. April - 2130
+#   5. May - 2190
+
+def array_ex(arr, key, key1):
+    # first question
+    compare = int(arr[1][key]) - int(arr[0][key])
+    print("1. In Feb, how many dollars you spent extra compare to January? : ", compare)
+
+    # second question
+    first_quarter = int(arr[0][key]) + int(arr[1][key]) + int(arr[2][key])
+    print("2. Find out your total expense in first quarter (first three months) of the year. : ", first_quarter)
+
+    # third question
+    value = 0
+    for i in range(len(arr)):
+        if arr[i][key] == "2130":
+            value += 1
+        i += 1
+    if value == 1:
+        print("3. Find out if you spent exactly 2130 dollars in any month : ", value, "time")
+    elif value > 1:
+        print("3. Find out if you spent exactly 2130 dollars in any month : ", value, "times")
+    else:
+        print("3. Find out if you spent exactly 2130 dollars in any month : Zero")
+
+    # fifth question
+    refund = 0
+    for i in range(len(arr)):
+        if arr[i][key1] == "April":
+            refund = int(arr[i][key]) - 200
+        i += 1
+    print("5. You returned an item that you bought in a month of April and got a refund of 200$. Make a correction to your monthly expense list based on this : ", refund)
+
+    # fourth question
+    item_expense = [{'Month': 'June', 'E_Amount': '1980'}]
+    arr.append(item_expense)
+    print("4. June month just finished and your expense is 1980 dollar. Add this item to our monthly expense list : ",
+          arr)
+
+
+if __name__ == '__main__':
+    expense = [
+        {'Month': 'January', 'E_Amount': '2200'},
+        {'Month': 'February', 'E_Amount': '2350'},
+        {'Month': 'March', 'E_Amount': '2600'},
+        {'Month': 'April', 'E_Amount': '2130'},
+        {'Month': 'May', 'E_Amount': '2190'}
+    ]
+
+    array_ex(expense, key="E_Amount", key1="Month")
+
 exp[3] = exp[3] - 200
 print("Expenses after 200$ return in April:",exp) # [2200, 2350, 2600, 1930, 2190, 1980]