High Temperature Diffrences in Boston (edX)

highTemps.py

import pylab

pylab.figure(1)
pylab.title("High Temperature Differences for Boston in July")
pylab.xlabel("Days")
pylab.ylabel("Temp differences")
values = dict()
xvalues, yvalues = list(), list()
file = open('./julyTemps.txt', 'r')

for line in file:
     try:
             temps = [int(i) for i in line.split(" ") if i.strip("\n").isdigit()]
             values[temps[0]] = temps[1:]
     except:
             continue
 
for key in values.keys():
     if key == len(values.keys()):
             break
     xvalues.append(key+1)
     yvalues.append(values[key+1][0]-values[key][0])

pylab.plot(xvalues, yvalues)
pylab.savefig("hightemps")

julyTemps.txt

Boston July Temperatures
-------------------------

Day High Low
------------

1 91 70
2 84 69
3 86 68
4 84 68
5 83 70
6 80 68
7 86 73
8 89 71
9 84 67
10 83 65
11 80 66
12 86 63
13 90 69
14 91 72
15 91 72 
16 88 72
17 97 76
18 89 70
19 74 66
20 71 64
21 74 61
22 84 61
23 86 66
24 91 68
25 83 65
26 84 66
27 79 64
28 72 63
29 73 64
30 81 63
31 73 63