def add_num(a,b):#function for addition
    sum=a+b;
    return sum; #return value
num1=25  #variable declaration
num2=55
print("The sum is",add_num(num1,num2))#call the function

def sub_num(a,b):#function for addition
    sub=a-b;
    return sub; #return value
num1=25  #variable declaration
num2=55
print("The sub is",sub_num(num1,num2))#call the function

def mul_num(a,b):#function for addition
    mul=a*b;
    return mul; #return value
num1=25  #variable declaration
num2=55
print("The mul is",mul_num(num1,num2))#call the function

def div_num(a,b):#function for addition
    div=a/b;
    return div; #return value
num1=25  #variable declaration
num2=55
print("The div is",div_num(num1,num2))#call the function