Функции min

def linear_min(mass):
    minval = mass[0]
    i=0
    while i<len(mass):
        if minval > mass[i]:
            minval = mass[i]
        i+=1
    print(minval)

arr = [1,2,3]
linear_min(arr)






def miny(a,b):
    if a>b:
        return a
    else:
        return b


def minimym (a,b,c):
    return miny(miny(a,b),c)
    """
    if miny(a,b)<c :
        return miny(a,b)
    else:
        return c
    """


print minimym (1,2,3)


def minimym4 (a,b,c,d):
    return miny(miny(a,b),miny(c,d))
    """
    if minimym (a,b,c)<d :
        return minimym (a,b,c)
    else:
        return d
    """


print minimym4(1,2,-3,4)