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Copy path34_Method Overloading.py
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158 lines (104 loc) · 2.41 KB
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# Mehod Overloading :
# 2 or more methods with same name but arguments are different :
class Test :
def method1(self,a) :
print(a)
def method1(self,a,b) :
print(a)
print(b)
def method1(self,a,b,c) :
print(a)
print(b)
print(c)
t = Test()
# t.method1(100,200) #TypeError: Test.method1() missing 1 required positional argument: 'c'
t.method1(100, 200, 300)
print('-'*20)
# How to archieve method overloading in python :
class Test :
def method1(self, *a) :
print(a)
t = Test()
t.method1(10)
t.method1(10, 20)
t.method1(10, 20, 30)
t.method1(10, 20, 30, 40)
print('-'*20)
# another way to archieve method overloading in python :
class Test :
def method1(self, a=None , b=None) :
print(a)
print(b)
t = Test()
t.method1(100, 200)
t.method1(200)
t.method1()
print('-'*20)
# c)
class Test :
def method1(self, a=None, b=None) :
if a!=None and b!=None :
print('You provided two value')
else :
print('You did not provided two values')
t = Test()
t.method1(100, 200)
t.method1(100)
print('-'*20)
# Method overloading using multipledispatch module :
# a)
from multipledispatch import dispatch
class Test :
@dispatch(int, int)
def add(a,b) :
print(a+b)
@dispatch(float, float)
def add(a,b) :
print(a+b)
@dispatch(int, float)
def add(a,b) :
print(a+b)
t = Test()
t.add(100, 200)
t.add(25.6, 13.8)
t.add(12, 3.67)
print('-'*20)
# b)
class Test :
@dispatch(int, int)
def add(a,b) :
print(a+b)
@dispatch(float, float)
def add(a,b) :
print(a+b)
@dispatch(int, float)
def add(a,b) :
print(a+b)
@dispatch(int, int, float)
def add(a, b, c) :
print(a+b+c)
t = Test()
t.add(100, 200)
t.add(25.6, 13.8)
t.add(12, 3.67)
t.add(100, 200, 38.9)
print('-'*20)
# c)
class Test :
@dispatch(int, int)
def add(a,b) :
print(a+b)
@dispatch(float, float)
def add(a,b) :
print(a+b)
@dispatch(int, float)
def add(a,b) :
print(a+b)
@dispatch(int, int, int)
def sub(a, b, c) :
print(a-b-c)
t = Test()
t.add(100, 200)
t.add(25.6, 13.8)
t.add(12, 3.67)
t.sub(1000, 500, 50)