From aeda1d907c127b799ee2d5dc2a8f366563c9e5c0 Mon Sep 17 00:00:00 2001
From: jiunsiew <jiun.siew@gmail.com>
Date: Wed, 12 Jan 2022 17:40:25 +1100
Subject: [PATCH 1/4] Add files via upload

intro scripts
---
 Work/hello.py |  6 ++++++
 Work/sears.py | 14 ++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 Work/hello.py
 create mode 100644 Work/sears.py

diff --git a/Work/hello.py b/Work/hello.py
new file mode 100644
index 000000000..fd0370739
--- /dev/null
+++ b/Work/hello.py
@@ -0,0 +1,6 @@
+# hello.py
+print('hello world')
+
+name = input('Enter your name: ')
+print('Hello', name, end='')
+print(', nice to meet you')
\ No newline at end of file
diff --git a/Work/sears.py b/Work/sears.py
new file mode 100644
index 000000000..d59dc3b9a
--- /dev/null
+++ b/Work/sears.py
@@ -0,0 +1,14 @@
+# sears.py
+bill_thickness = 0.11/10/100 # 0.11 mm converted to meters
+sears_height = 442
+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 bills:', num_bills)
+print('Number of days:', day)
+print('Final height: ', num_bills*bill_thickness)

From f304fa9b694f33baf41c967f071e07396186f09d Mon Sep 17 00:00:00 2001
From: Jiun Siew <jiun.siew@xero.com>
Date: Thu, 13 Jan 2022 10:02:03 +1100
Subject: [PATCH 2/4] testing commit

---
 Work/bounce.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Work/bounce.py b/Work/bounce.py
index 3660ddd82..a51c86cf3 100644
--- a/Work/bounce.py
+++ b/Work/bounce.py
@@ -1,3 +1,4 @@
 # bounce.py
 #
 # Exercise 1.5
+height = 100 # meters
\ No newline at end of file

From 7625b811c1015a2295982596c22269aefaaa6627 Mon Sep 17 00:00:00 2001
From: Jiun Siew <jiun.siew@xero.com>
Date: Thu, 13 Jan 2022 10:09:59 +1100
Subject: [PATCH 3/4] Update bounce.py

Completing bounce.py exercise
---
 Work/bounce.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Work/bounce.py b/Work/bounce.py
index a51c86cf3..639591a92 100644
--- a/Work/bounce.py
+++ b/Work/bounce.py
@@ -1,4 +1,10 @@
 # bounce.py
 #
 # Exercise 1.5
-height = 100 # meters
\ No newline at end of file
+height = 100 # meters
+reboundRate = 0.6
+nBounces = 10
+
+for iB in range(nBounces):
+    height = height*reboundRate
+    print(height)

From aad4bdc759e34fa82bb0b82a773476a25ee63f93 Mon Sep 17 00:00:00 2001
From: Jiun Siew <jiun.siew@xero.com>
Date: Thu, 13 Jan 2022 17:47:17 +1100
Subject: [PATCH 4/4] progressing more examples

---
 Work/bounce.py   |  2 +-
 Work/mortgage.py | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/Work/bounce.py b/Work/bounce.py
index 639591a92..b5f456cad 100644
--- a/Work/bounce.py
+++ b/Work/bounce.py
@@ -7,4 +7,4 @@
 
 for iB in range(nBounces):
     height = height*reboundRate
-    print(height)
+    print(round(height, 4))
\ No newline at end of file
diff --git a/Work/mortgage.py b/Work/mortgage.py
index d527314e3..3826d0f37 100644
--- a/Work/mortgage.py
+++ b/Work/mortgage.py
@@ -1,3 +1,26 @@
 # mortgage.py
 #
 # Exercise 1.7
+principal = 500000.0
+rate = 0.05
+payment = 2684.11
+total_paid = 0.0
+
+extraPaymentStartMonth = 61  
+extraPaymentEndMonth = 108
+extraPayment = 1000
+
+iMonth = 1
+while principal > 0:
+    
+    if iMonth >= extraPaymentStartMonth and iMonth < extraPaymentEndMonth:
+        tmpExtraPayment = extraPayment
+    else:
+        tmpExtraPayment = 0
+    principal = principal * (1+rate/12) - (payment + tmpExtraPayment)
+    total_paid = total_paid + payment + tmpExtraPayment
+    print(iMonth, total_paid, principal)
+    iMonth = iMonth + 1
+
+print('Total paid:', total_paid)
+print('Number of Months:', iMonth-1)
\ No newline at end of file