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Copy path33_Operator Overloading.py
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Copy path33_Operator Overloading.py
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213 lines (136 loc) · 3.99 KB
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# Operator Overloading :
# a) Operator overloading without magic method (which is not possible):
class Employee :
def __init__(self, sal) :
self.sal = sal
class Student :
def __init__(self, pkt_money) :
self.pkt_money = pkt_money
e = Employee(10000)
s = Student(500)
# print(e+s) #unsupported operand type(s) for +: 'Employee' and 'Student'
# b) Operator overloading with using magic method :
class Employee :
def __init__(self, sal) :
self.sal = sal
def __add__(self, other) : #magic method which is automatically call by python
return self.sal + other.pkt_money
class Student :
def __init__(self, pkt_money) :
self.pkt_money = pkt_money
e = Employee(10000)
s = Student(500)
# add emp sal + student pkt_money
print(e+s)
print('-'*20)
# c)
class Employee :
def __init__(self, sal) :
self.sal = sal
def __add__(self, other) :
print(self.sal)
print(other.pkt_money)
return self.sal + other.pkt_money
class Student :
def __init__(self, pkt_money) :
self.pkt_money = pkt_money
e = Employee(10000)
s = Student(500)
# add emp sal + student pkt_money
print(e+s)
print('-'*20)
# d) __gt__() method :
class Employee :
def __init__(self, sal) :
self.sal = sal
def __gt__(self, other) : # magic method
print(self.sal)
print(other.pkt_money)
return self.sal > other.pkt_money
class Student :
def __init__(self, pkt_money) :
self.pkt_money = pkt_money
e = Employee(10000)
s = Student(500)
# check which is greater emp sal, student pkt_money
print(e>s)
print('-'*20)
# e) __lt__() method :
class Employee :
def __init__(self, sal) :
self.sal = sal
def __lt__(self, other) : # magic method
print(self.sal)
print(other.pkt_money)
return self.sal < other.pkt_money
class Student :
def __init__(self, pkt_money) :
self.pkt_money = pkt_money
e = Employee(10000)
s = Student(500)
# check which is lesser emp sal, student pkt_money
print(e<s)
print('-'*20)
# f) __ge__() method :
class Employee :
def __init__(self, sal) :
self.sal = sal
def __ge__(self, other) : # magic method
print(self.sal)
print(other.pkt_money)
return self.sal >= other.pkt_money
class Student :
def __init__(self, pkt_money) :
self.pkt_money = pkt_money
e = Employee(10000)
s = Student(10000)
# check which is greater than equall to emp sal, student pkt_money
print(e>=s)
print('-'*20)
# g) __le__() method :
class Employee :
def __init__(self, sal) :
self.sal = sal
def __le__(self, other) : # magic method
print(self.sal)
print(other.pkt_money)
return self.sal <= other.pkt_money
class Student :
def __init__(self, pkt_money) :
self.pkt_money = pkt_money
e = Employee(10000)
s = Student(10000)
# check which is less than equall to emp sal, student pkt_money
print(e<=s)
print('-'*20)
# h)
class Employee :
def __init__(self, sal) :
self.sal = sal
def __sub__(self, other) : # magic method
print(self.sal)
print(other.pkt_money)
return self.sal - other.pkt_money
class Student :
def __init__(self, pkt_money) :
self.pkt_money = pkt_money
e = Employee(10000)
s = Student(1000)
# substract from emp sal to student pkt_money
print(e-s)
print('-'*20)
# i)
class Employee :
def __init__(self, sal) :
self.sal = sal
def __mul__(self, other) : # magic method
print(self.sal)
print(other.pkt_money)
return self.sal * other.pkt_money
class Student :
def __init__(self, pkt_money) :
self.pkt_money = pkt_money
e = Employee(120)
s = Student(50)
# multiply from emp sal to student pkt_money
print(e*s)