def high_and_low(numbers):
    x = numbers.split()
    maxi = x[0]
    for i in range(1, len(x)):
#        print(x[i] + ' > ' + maxi)
        if x[i] > maxi:
            maxi = x[i]
#       print(maxi)
#        elif x[i] < mini:
#            mini = x[i]
#    numbers = maxi + ' ' + mini
#    return numbers
    return maxi
print(high_and_low("2396 516 2570 649 2330 248 733 2331 1188 786 -80 1900 1845 2642 -165 279 2613 -187 1227 2423 2882 458"))

  def high_and_low(numbers):
    data = [int(x) for x in numbers.split()]
    maxi = x[0]
    for num in data[1:]:
        if num > maxi:
            maxi = num
    return maxi

 >>> s = "2396 516 2570 649 2330 248 733 2331 1188 786 -80 1900 1845 2642 -165 279 2613 -187 1227 2423 2882 458"
>>> max(map(int, s.split()))
2882