exercise complete

peterjevans · peterjevans · commit f53f4edd9397 · 2020-06-03T16:45:37.000-05:00
diff --git a/Work/PerformCalculation.py b/Work/PerformCalculation.py
diff --git a/Work/bounce.py b/Work/bounce.py
@@ -1,3 +1,11 @@
 # bounce.py
 #
 # Exercise 1.5
+startHeight = 60.0
+bounceCount = 1
+print (startHeight)
+
+while bounceCount<10:
+    startHeight=startHeight*.6
+    print(round(startHeight))
+    bounceCount=bounceCount+1
diff --git a/Work/mortgage.py b/Work/mortgage.py
@@ -1,3 +1,20 @@
 # mortgage.py
 #
 # Exercise 1.7
+principal = 500000.0
+rate = 0.05
+payment = 2684.11
+total_paid = 0.0
+month = 1
+
+while principal > 0:
+    principal = principal * (1+rate/12) - payment
+    total_paid = total_paid + payment
+
+    if month<=12:
+        principal = principal - 1000
+
+    month = month + 1
+
+print('Total paid', total_paid)
+print('Total time', month)
diff --git a/Work/pcost.py b/Work/pcost.py
@@ -1,3 +1,12 @@
 # pcost.py
 #
 # Exercise 1.27
+totalCost =0
+f = open('Data/portfolio.csv', 'rt')
+headers = next(f)
+for line in f:
+    row = line.split(',')
+    totalCost=totalCost+int(row[1])*float(row[2])
+
+f.close()
+print('Total Cost ' + str(totalCost))
diff --git a/Work/sears.py b/Work/sears.py
@@ -0,0 +1,13 @@
+bill_thickness = 0.11 * 0.001    # Meters (0.11 mm)
+sears_height   = 442             # Height (meters)
+num_bills      = 1
+day            = 1
+
+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)
