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class Zillion:
def __init__(self,digits):
self.digits = digits
self.__x=0
self.List = []
self.toList()
def toList(self):
badBoolean=False
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:
raise RuntimeError
if badBoolean is False:
raise RuntimeError
else:
return self.List
def increment(self):
newList=self.List
newList[len(self.List)-1] += 1
if newList[len(self.List)-1]>=10:
return None
def isZero(self):
for p in range (0,len(self.List)-1):
if self.List[p] is not 0 or not '0':
return False
return True
def toString(self):
string=''
for q in range (0,len(self.List)):
string+=str(self.List[q])
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.
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