class WuffWuff:
    def __init__(self):
        self.name = "Call me 'wuff'"
    def __str__(self):
        return(self.name)

w = WuffWuff()   
aList =  [True,7,3.14,"hi",[(1,2),[2,1]],(),{},w]
for element in aList:
    print(element, "is of type", type(element))