# def my_function(num1,num2,num3):
#     print(num1*num2*num3)
# my_function(5,7,9)


# def subjects(muth,literature):
#     print('DO exercise!{muth} ,WRITE exercise please {literature}'.format(muth=muth, literature=literature))
# subjects('exercise','esseys')    

# def fruicts(that_I_love):
#     print('i like to eat', {that_I_love})
# fruicts('tangarine,apple,banane,lemon')    