# Trace through the following code.

# some lines may be blank
def mathy(n, dict):
    try:
        sum = 5 // float(n)
        print(sum)
        print(n in dict.keys())
        print(dict[n])
        print("res: " + n)
    except ZeroDivisionError:
        print("zero!")
    except KeyError:
        print("no key!")
        return "oops"
    finally:
        print("finally")
    print("done try")
    return 5


d = {}
d[0] = "cat"
d[3] = "dog"
d["3"] = "bird"
try:
    print(mathy(0, d))
except Exception:
    print("caught")
except TypeError:
    print("mismatch!")