updated'

1gitGrey · 1gitGrey · commit 8990317de297 · 2020-10-25T01:38:51.000-07:00
'
diff --git a/Work/mortgage.py b/Work/mortgage.py
@@ -1,3 +1,22 @@
 # mortgage.py
 #
 # Exercise 1.7
+
+principal = 500000.0
+rate = 0.05
+payment = 2684.11
+total_paid = 0.0
+num_of_payments = 0 
+sum_of_payments = 0
+
+
+
+while principal > 0: 
+    if num_of_payments < 12:
+        payment = 3684.11
+    else:
+        payment = 2684.11
+    principal = principal * (1+rate/12) - payment
+    total_paid = payment + total_paid
+    num_of_payments += 1
+    print(num_of_payments, 'Total paid:' + str(total_paid))
diff --git a/Work/pcost.py b/Work/pcost.py
@@ -1,3 +1,15 @@
+#!/usr/bin/python3
 # pcost.py
-#
-# Exercise 1.27
+
+
+total_cost = 0 
+with open('Data/portfolio.csv', 'rt') as filename:
+    header_data = next(filename).split(',')
+    content = filename.read() 
+    print(header_data)
+    for line in content:
+    	#print(content) 
+    	print(line)                                                                                                                                                                                                           
+    	#num_of_shares = float(line[1])
+    	#purchase_price = float(line[2])
+    	#total_cost += num_of_shares * purchase_price
diff --git a/Work/portfolio_cost.py b/Work/portfolio_cost.py
@@ -0,0 +1,20 @@
+#
+
+def portfolio_cost(filename):
+    '''
+    finds the total cost of portfolio investment defined in a particular file
+    '''
+    total_cost = 0.0
+
+    with open(filename, 'rt') as f:
+        headers = next(f)
+       for line in f:
+            row = line.split(',')
+            nshares = int(row[1])
+            price = float(row[2])
+            total_cost += nshares * price
+
+print('Total cost', total_cost)
+
+
+
diff --git a/Work/report.py b/Work/report.py
@@ -1,3 +1,40 @@
 # report.py
 #
 # Exercise 2.4
+
+# __file__ = 'Data/portfolio.csv'
+
+
+
+# reads portfolio files 
+# define fn read_portfolio(filename)
+# list of tuples is output
+
+portfolio = []
+
+
+def read_portfolio(filename): 
+
+	for row in rows:
+		holding = (row[0], int(row[1]), float(row[2]))
+		portfolio.append(holding)
+
+		
+		
+ 
+
+
+import csv
+
+def portfolio_cost(filename):
+    '''Computes the total cost (shares*price) of a portfolio file'''
+    total_cost = 0.0
+
+    with open(filename, 'rt') as f:
+        rows = csv.reader(f)
+        headers = next(rows)
+        for row in rows:
+            nshares = int(row[1])
+            price = float(row[2])
+            total_cost += nshares * price
+    return total_cost
diff --git a/Work/sears.py b/Work/sears.py
@@ -0,0 +1,17 @@
+# sears.py
+
+bill_thickness = 0.11 * 0.001    # Meters (0.11 mm)
+sears_height   = 442             # Height (meters)
+num_bills      = 1
+day            = 1
+
+days = day
+
+while num_bills * bill_thickness < sears_height:
+    print(day, num_bills, num_bills * bill_thickness)
+    day = day + 1
+    num_bills = num_bills * 2
+
+print('Number of days', day)
+print('Number of bills', num_bills)
+print('Final height', num_bills * bill_thickness)
