diff --git a/my_delorean.py b/my_delorean.py
new file mode 100644
index 00000000..07d68a8e
--- /dev/null
+++ b/my_delorean.py
@@ -0,0 +1,29 @@
+import delorean
+import parse
+from decimal import Decimal
+class PriceLog(object):
+  def __init__(self, timestamp, product_id, price):
+    self.timestamp = timestamp
+    self.product_id = product_id
+    self.price = price
+  def __repr__(self):
+    return '<PriceLog ({}, {}, {})>'.format(self.timestamp,
+                                            self.product_id,
+                                            self.price)
+  @classmethod
+  def parse(cls, text_log):
+    '''
+    Parse from a text log with the format
+    [<Timestamp>] - SALE - PRODUCT: <product id> - PRICE: $<price>
+    to a PriceLog object
+    '''
+    divide_it = text_log.split(' - ')
+    tmp_string, _, product_string, price_string = divide_it
+    timestamp = delorean.parse(tmp_string.strip('[]'))
+    product_id = int(product_string.split(':')[-1])
+    price = Decimal(price_string.split('$')[-1])
+    return cls(timestamp=timestamp, product_id=product_id, price=price)
+
+  # test code
+log = '[2018-05-05T11:07:12.267897] - SALE - PRODUCT: 1345 - PRICE: $09.99'
+PriceLog.parse(log)
diff --git a/sortsqr.py b/sortsqr.py
new file mode 100644
index 00000000..17dd4c5c
--- /dev/null
+++ b/sortsqr.py
@@ -0,0 +1,20 @@
+'''give a sorted list, print the sorted square of the list'''
+ls1=[-9,-2,3,4,5]
+
+def sortsql(ls1):
+    left=0
+    right=len(ls1) -1
+    result = [0] * len(ls1)
+    for x in range(right,-1,-1):
+        print(x)
+        if abs(ls1[left]) > abs(ls1[right]):
+            result[x] = ls1[left] ** 2
+            print('left', left)
+            left=left+1
+        else:
+            result[x] = ls1[right] **2
+            print('right', right)
+            right=right-1
+    return result
+result = sortsql(ls1)
+print(list(result))
diff --git a/template.py b/template.py
new file mode 100644
index 00000000..d5dad727
--- /dev/null
+++ b/template.py
@@ -0,0 +1,15 @@
+# INPUT DATA
+data = [
+    (1000, 10),
+    (2000, 17),
+    (2500, 170),
+    (2500, -170),
+]
+# Print the header for reference
+print('REVENUE | PROFIT | PERCENT')
+# This template aligns and displays the data in the proper format
+TEMPLATE = '{revenue:>7,} | {profit:>+6} | {percent:>7.2%}'
+# Print the data rows
+for revenue, profit in data:
+    row = TEMPLATE.format(revenue=revenue, profit=profit, percent=profit / revenue)
+    print(row)