1 files changed, 137 insertions, 0 deletions
diff --git a/csci1913/Python/lab2_strap012.py b/csci1913/Python/lab2_strap012.py
new file mode 100644
index 0000000..511e6bf
--- /dev/null
+++ b/csci1913/Python/lab2_strap012.py
@@ -0,0 +1,137 @@
+class Zillion:
+  def __init__(self,digits):
+    self.digits = digits
+    self.List = []
+    self.toList()
+
+  def toList(self):
+    badBoolean=False           #Kludge
+    if len(self.digits) == 0 :
+      raise RuntimeError       #Cannot make a list of nothing
+    for n in range (0,len(self.digits)):
+      if self.digits[n] is not ',':
+        if self.digits[n] is not ' ':
+          try:
+            self.List+=[int(self.digits[n])]
+            badBoolean=True
+          except ValueError:   #Non-comma character in string
+            raise RuntimeError
+    if badBoolean is False:    #No numbers in string
+      raise RuntimeError
+    else:
+      return self.List
+
+
+  def increment(self):
+    length = len(self.List) - 1
+    newList = self.List
+    newList[length] += 1
+    if newList[length]>=10:     #Loop to increment all 10s to 0s with carry
+      for n in range (0,length):
+        newList[length-n]=0
+        newList[length-n-1]+=1
+
+  def isZero(self):
+    for p in range (0,len(self.List)-1):
+      if self.List[p] is not 0:
+        return False
+    return True
+
+  def toString(self):
+    string=''
+    for q in range (0,len(self.List)):
+      string+=str(self.List[q])    #Make string by concatenation
+    return string
+
+
+
+#
+#  TESTS. Test the class Zillion for CSci 1913 Lab 2.
+#
+#    James Moen
+#    18 Sep 17
+#
+#  Every test is followed by a comment which shows what must be printed if your
+#  code works correctly. It also shows how many points the test is worth.
+#
+
+try:
+  z = Zillion('')
+except RuntimeError:
+  print('Empty string')
+
+# It must print 'Empty string' without apostrophes. 2 points.
+
+try:
+  z = Zillion(' , ')
+except RuntimeError:
+  print('No digits in the string')
+
+# It must print 'No digits in the string' without apostrophes. 2 points.
+
+try:
+  z = Zillion('1+0')
+except RuntimeError:
+  print('Non-digit in the string')
+
+# It must print 'Non-digit in the string' without apostrophes. 2 points.
+
+try:
+  z = Zillion('0')
+except RuntimeError:
+  print('This must not be printed')
+
+#  It must print nothing. 2 points.
+
+print(z.isZero())    #  It must print True. 2 points.
+
+try:
+  z = Zillion('000000000')
+except RuntimeError:
+  print('This must not be printed')
+
+#  It must print nothing. 2 points.
+
+print(z.isZero())    #  It must print True. 2 points.
+
+try:
+  z = Zillion('000 000 000')
+except RuntimeError:
+  print('This must not be printed')
+
+#  It must print nothing. 2 points.
+
+print(z.isZero())    #  It must print True. 2 points.
+
+try:
+  z = Zillion('997')
+except RuntimeError:
+  print('This must not be printed')
+
+#  It must print nothing.  2 points.
+
+print(z.isZero())    #  It must print False. 2 points.
+
+print(z.toString())  #  It must print 997. 2 points.
+
+z.increment()
+
+print(z.toString())  #  It must print 998. 2 points.
+
+z.increment()
+
+print(z.toString())  #  It must print 999. 2 points.
+
+z.increment()
+
+print(z.toString())  #  It must print 1000. 2 points.
+
+try:
+  z = Zillion('0 9,9 9')
+except:
+  print('This must not be printed')
+
+#  It must print nothing.  3 points.
+
+z.increment()
+print(z.toString())  #  It must print 1000. 2 points.