#singnature of function
#function name return type arguments
#predefined functions and user defined functions
#without arguments and with  return type
#with arguments and with return type
#without arguments and without return type
#with arguments and without return type
# def functionname(arguments):

c = 250
def add():
    a = 100
    b = 200
    c = a + b
    print(c) 
    #print global variable c
    print(globals()['c'])   
    
 

add()    

x = sum(12.25,12)
print(x)


