Решение задачи с урока 03.10.15

source.py

import math

def sqr(a):
    return a*a

def compute_distance(x1, y1, x2, y2):
    return math.sqrt(sqr(x2 - x1) + sqr(y2 - y1))

try:
    fp = open("file.data", "r")
    
except OSError:
    print("Cann't open file.data")
    exit(1)
    
file_data = fp.readlines()

max_local_veocity = 0.0
summ_distance = 0.0

prev_x, prev_y, last_time = list(map(float, file_data[0].split()))

for i in range(1, len(file_data)):
    x, y, t = list(map(float, file_data[i].split()))
    
    summ_distance += compute_distance(prev_x, prev_y, x, y)
    
    max_local_veocity = max(max_local_veocity, compute_distance(prev_x, prev_y, x, y) / (t - last_time))
    prev_x = x
    prev_y = y
    last_time = t
    
print("Max local velocity: " + str(max_local_veocity))
print("Avarage speed: " + str(summ_distance / last_time))