def main():
"""Controller of the Library Management Inventory System."""
message = 'Library Management Inventory System'
# DATA STRUCTURE
numbers = [1, 1, 2, 1, 3, 4, 7, 8, 7, 9, 9]
li = [1, -3, 2, -6, 3, -4, -5] # list
tup = (9, 8, 1, 2, 7, 3, 6, 4, 5) # tuple
names = ['Bruce', 'Clark', 'Peter', 'Logan', 'Wade']
heros = ['Batman', 'Superman', 'Spiderman', 'Wolveringe', 'Deadpool']
first_names = ['John', 'Jane', 'Corey', 'Travis', 'Dave', 'Kurt', 'John']
last_names = ['Smith', 'Doe', 'Jenkins', 'Robinson', 'Davis', 'Stuart']
street_names = ['Antonio', 'Allard', 'Shevchenko', 'conde', 'Tomba']
cities_names = ['Laval', 'Montreal', 'Saskatoon', 'Ottawa', 'Toronto']
provinces_names = ['QC', 'ON', 'BC', 'AB', 'NB', 'PE', 'NS', 'MB', 'SK']
questions = ['name', 'quest', 'favorite color']
answers = ['lancelot', 'the holy grail', 'blue']
try:
fin = open('test.txt')
fout = open('test_out.txt', 'w')
tmp = random.choices(names, k=10)
st = {name for name in tmp} # set comprehension
dic = {
hero: name
for hero, name in zip(heros, names) if name != 'Peter'
}
dic_qa = dict(
sorted(
(answer, question)
for question, answer in dict(zip(questions, answers)).items()))
# print("I am {Batman}. I am {Superman}. I am {Wolveringe}. I am {Blackpanther}".format(**dic))
s_dic = sorted((name, hero) for hero, name in dic.items())
final_dic = dict(s_dic)
s = {number for number in numbers} # create a set
# Generator expression
gen = (number * number for number in numbers)
# SORTING
li.sort()
s_tup = sorted(tup)
e1 = Employee('Carl', 37, 70000)
e2 = Employee('Sarah', 29, 8000)
e3 = Employee('John', 43, 9000)
employees = [e1, e2, e3]
s_employees = sorted(employees, key=attrgetter('age_'))
sub1 = Subscriber('1839456', 'John', 'Doe', 23)
# sub1.print()
except AttributeError as e:
print(e)
except IndexError as e:
print(e)
except IOError as e:
print(e)
except KeyError as e:
print("Missing {} key".format(e))
except NameError as e:
print(e)
except FileNotFoundError as e:
print(e)
except Exception:
print('Unknown Exception Thrown')
else:
print(datetime.datetime.now())
print(f'{message.upper()}')
print(tmp)
print(st)
print(final_dic)
print(s)
with fin:
with fout:
for line in fin:
fout.write(line)
for num in gen:
print(num)
print(li)
print(s_tup)
print(sub1.__repr__())
print(sub1.__str__())
for i in range(Employee.nEmployees):
print(employees[i])
print(employees)
print('SORTING WITH attrgetter')
print(s_employees)
print('SORTING WITH employee_sort')
s_employees = sorted(employees, key=employee_sort)
print(s_employees)
print(dic_qa)
with open('fake_data.txt', 'w') as fout_data:
for num in range(100):
first = random.choices(first_names)
last = random.choices(last_names)
phone = f'{random.randint(100, 999)}-555-{random.randint(1000, 9999)}'
street_num = random.randint(100, 999)
street = random.choices(street_names)
city = random.choices(cities_names)
province = random.choices(provinces_names)
zip_code = random.randint(10000, 99999)
address = f'{street_num} {street[0]} Av., {city[0]} {province[0]} {zip_code}'
email = first[0].lower() + '.' + last[0].lower(
) + '@bogusemail.com'
fout_data.write(
f'{first[0]} {last[0]} \n{phone}\n{address}\n{email}\n\n')
finally:
fout.close()
fin.close()
print('Program Ended Successfully!')