"""
Ex. 3.28 from "A Primer on...".
Write functions min and max, to find the minimum 
and maximum value in a list. The exercise
does not ask us to write test functions, but these
are added examples. 
"""

def max(a):
    max_a = a[0]
    for e in a[1:]:
        if e > max_a:
            max_a = e
    return max_a


def min(a):
    min_a = a[0]
    for e in a[1:]:
        if e < min_a:
            min_a = e
    return min_a

l = [1,2,4,6,4,3,1]

print(f"Smallest value = {min(l)}")
print(f"Largest value = {max(l)}")

"""
Terminal> python maxmin_list.py 
Smallest value = 1
Largest value = 6
"""