new

def y(a):
    mi = a[0]
    ma = a[0]
    for i in a:
        if(i < mi): mi = i
        if(ma < i): ma = i
    return (mi, ma)

a = [5,8,1,4,10,3,7]
(mi, ma) = y(a)
print("min: " + str(mi))
print("max: " + str(ma))