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Commita5424a8

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1 parentafe5dab commita5424a8

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39 files changed

+91
-60
lines changed

39 files changed

+91
-60
lines changed

‎01-encapsulation-1.py‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -12,14 +12,14 @@
1212

1313

1414
classMyClass(object):
15-
1615
defset_val(self,val):
1716
self.value=val
1817

1918
defget_val(self):
20-
#print(self.value)
19+
#print(self.value)
2120
returnself.value
2221

22+
2323
a=MyClass()
2424
b=MyClass()
2525

‎02-encapsulation-2.py‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -17,12 +17,13 @@ def set_val(self, val):
1717
defget_val(self):
1818
print(self.value)
1919

20+
2021
a=MyClass()
2122
b=MyClass()
2223

2324
a.set_val(10)
2425
b.set_val(1000)
25-
a.value=100# <== Overriding `set_value` directly
26+
a.value=100# <== Overriding `set_value` directly
2627
# <== ie.. Breaking encapsulation
2728

2829
a.get_val()

‎03-encapsulation-3.py‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -35,6 +35,7 @@ def increment_val(self):
3535
self.val=self.val+1
3636
print(self.val)
3737

38+
3839
a=MyInteger()
3940
a.set_val(10)
4041
a.get_val()
@@ -51,6 +52,6 @@ def increment_val(self):
5152
# Trying to break encapsulation in a new instance with a str
5253
b=MyInteger()
5354
b.val="MyString"# <== Breaking encapsulation, works fine
54-
b.get_val()# <== Prints the val set by breaking encap
55+
b.get_val()# <== Prints the val set by breaking encap
5556
b.increment_val()# This will fail, since str + int wont work
5657
print("\n")

‎04-init_constructor-1.py‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -22,6 +22,7 @@ def increment(self):
2222
self.val=self.val+1
2323
print(self.val)
2424

25+
2526
dd=MyNum()
2627
dd.increment()# will print 1
2728
dd.increment()# will print 2

‎05-init_constructor-2.py‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -20,5 +20,5 @@ def increment(self):
2020

2121

2222
a=MyNum(10)
23-
a.increment()# This should print 11
24-
a.increment()# This should print 12
23+
a.increment()# This should print 11
24+
a.increment()# This should print 12

‎06-class-attributes-1.py‎

Lines changed: 3 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -15,10 +15,11 @@ class YourClass(object):
1515
defset_val(self):
1616
self.insty=100
1717

18+
1819
dd=YourClass()
19-
dd.classy# This will fetch the class attribute 10.
20+
dd.classy# This will fetch the class attribute 10.
2021
dd.set_val()
21-
dd.insty# This will fetch the instance attribute 100.
22+
dd.insty# This will fetch the instance attribute 100.
2223

2324
# Once `dd` is instantiated, we can access both the class and instance
2425
# attributes, ie.. dd.classy and dd.insty.

‎07-class-attributes-2.py‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -20,11 +20,12 @@
2020
classYourClass(object):
2121
classy="class value"
2222

23+
2324
dd=YourClass()
2425
print(dd.classy)# < This should return the string "class value"
2526

2627
dd.classy="Instance value"
27-
print(dd.classy)# This should return the string "Instance value"
28+
print(dd.classy)# This should return the string "Instance value"
2829

2930
# This will delete the value set for 'dd.classy' in the instance.
3031
deldd.classy

‎08-class-instance-attributes-1.py‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -26,6 +26,7 @@ def get_val(self):
2626
defget_count(self):
2727
print(InstanceCounter.count)
2828

29+
2930
a=InstanceCounter(5)
3031
b=InstanceCounter(10)
3132
c=InstanceCounter(15)

‎09-inheritance-1.py‎

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -22,13 +22,14 @@ class Time(Date):
2222
defget_time(self):
2323
print("07:00:00")
2424

25+
2526
# Creating an instance from `Date`
2627
dt=Date()
2728
dt.get_date()# Accesing the `get_date()` method of `Date`
2829
print("--------")
2930

3031
# Creating an instance from `Time`.
3132
tm=Time()
32-
tm.get_time()# Accessing the `get_time()` method from `Time`.
33+
tm.get_time()# Accessing the `get_time()` method from `Time`.
3334
# Accessing the `get_date() which is defined in the parent class `Date`.
3435
tm.get_date()

‎10-inheritance-2.py‎

Lines changed: 5 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -16,21 +16,25 @@
1616
# But the instance created from 'Cat' cannot access the attributes
1717
# within the 'Dog' class, and vice versa.
1818

19+
1920
classAnimal(object):
2021
def__init__(self,name):
2122
self.name=name
2223

2324
defeat(self,food):
2425
print("%s is eating %s"% (self.name,food))
2526

27+
2628
classDog(Animal):
2729
deffetch(self,thing):
2830
print("%s goes after the %s"% (self.name,thing))
2931

32+
3033
classCat(Animal):
3134
defswatstring(self):
3235
print("%s shred the string!"%self.name)
3336

37+
3438
d=Dog("Roger")
3539
c=Cat("Fluffy")
3640

@@ -44,4 +48,4 @@ def swatstring(self):
4448
# have access to the other class.
4549

4650
c.fetch("frizbee")
47-
d.swatstring()
51+
d.swatstring()

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