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Commit 867e4a9

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Minor tweaks and updation
1 parent a32aa9c commit 867e4a9

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2 files changed

+36
-8
lines changed

2 files changed

+36
-8
lines changed
Lines changed: 29 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1,15 +1,30 @@
11
class Person:
2-
def __init__(self, first, last, id, email):
2+
def __init__(self, first, last, mob_num, email):
33
self.firstName = first
44
self.lastName = last
5-
self.id = id
5+
self.id = mob_num
66
self.email = email
77
self.friends = []
8+
# if access == "customer":
9+
# self.previ = "customer"
10+
# elif access == "staff":
11+
# self.previ = "admin"
12+
813

914
def add_friend(self, friend):
1015
if len(self.friends) < 10 and len(friend.friends) < 10:
11-
self.friends.append(friend)
12-
friend.friends.append(self)
16+
self.friends.append(friend) # p1 is addimg p2 in his friends list
17+
friend.friends.append(self) # p2 is adding p1 in his friends list
18+
19+
def getCustomerList(self):
20+
'''
21+
@name : getCustomerList
22+
@param1 : NA
23+
@desc : this is previleged method, only consumable to staff/admin
24+
@return : None
25+
'''
26+
#since we do not store information in DB, admin previleged guys cannot able to retrieve data which stands in iterpreter.
27+
pass
1328

1429
def getFriends(self):
1530
print (len(self.friends))
@@ -19,8 +34,18 @@ def getFriends(self):
1934

2035
p1 = Person("David", "Wolber", "922-43-9873", "wolber@usfca.edu")
2136
p2 = Person("Bob", "Jones", "902-38-9973", "jones@usfca.edu")
37+
p3 = Person("admin", "admin", "123", "admin.gmail.com")
38+
39+
print(p1)
40+
41+
print(p2)
42+
2243
p1.add_friend(p2)
2344

45+
46+
2447
print (p1.firstName)
2548
print (list(p1.friends))
49+
print(p1.friends[0].firstName)
50+
2651
print (p1.getFriends())

‎OOP/Encapsulation/DataHiding.py‎

Lines changed: 7 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -2,16 +2,18 @@
22
# Example : A capsule tablet contains many types of chemicals, therefore it's called as a Capsule.
33

44
class SampleClass(object):
5+
6+
# below two global variables are nothing but a class attributes.
57
globalNumVariable = 3691
68
globalStringVariable = "Some string.."
79

810
b = 987 # b is a global variable
911
_b = 654 # can be called as protected
1012
__b = 321 # private
1113

12-
# constrcutor.
14+
# prameterized constrcutor, why do we call as parameterized constructor?
1315
def __init__(self):
14-
self.a = 123 # OK to access directly
16+
self.a = 123 # OK to access directly only by object.
1517
self._a = 456 # should be considered protected
1618
self.__a = 789 # considered private, name mangled , more secure Data
1719

@@ -27,9 +29,10 @@ def _getProtectedData(self):
2729
# Below method (which is inside the class) is considered as Private method(used double underscore
2830
# before the method name.
2931
def __getMoreSecureDataMethod(self):
30-
print(self.__a)
32+
print(self.__a)#directlt printing self.__a private member variable.
3133

3234
if __name__ == '__main__':
35+
3336
# Lets first try to create an object of SampleClass.
3437
objOfSampleClass = SampleClass() # object will get created here.
3538
m = SampleClass() # creating another object for the same class (reason : n number of obj can be created for a class)
@@ -39,7 +42,7 @@ def __getMoreSecureDataMethod(self):
3942
print(objOfSampleClass._b)
4043
# If you want to bring private value/variable outside the class, normally its not possible.
4144
# Below is going to throw an error (uncomment and execute it)
42-
print(objOfSampleClass.__b)
45+
# print(objOfSampleClass.__b)
4346

4447
# But if you do still, want to bring the value outside the class. then follow the below line of code.
4548
# using objOfSampleClass, lets call two global variables

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