40.py

def deco(func):
    def new_func(val1,val2):
        if type(val1)==type(val2):
            return func(val1,val2)
        else:
            return func(str(val1),str(val2))
    return new_func
"""

#@deco
def concat(val1,val2):
    return val1+val2

result = concat(10,10)
print(result)#20

result = concat("python","String")
print(result)# pythonString

result = concat(str(10),"String")
print(result)# 10String


""" 