class mammals:
    def examples():
        print("Here are some examples of mammals:")
        egs=["Human","Cat","Tiger","Dog","Elephant"]
        for f in egs:
            print(f)
    def chars():
        ch=["Warm blooded","Gives birth to babies","Have hair and fur","Four chambered heart"]
        print("Characteristics of mammals:")
        for c in ch:
            print(c)

