eksempel med Boston Marathon-data
data = {
'name': [],
'gender': [],
'age': [],
'division': [],
'country': [],
'time': []
}
Hva er dette?
L = [] # list
T = () # tuple
D = {} # dictionary
S = set() # set
L = [1, 2, 3] # list
T = (1, 2, 3) # tuple
D = {'a': 1, 'b': 2, 'c': 3} # dict.
S = {1, 2, 3} # set
dictionary med tomme lister som innhold
Boston Marathon - følgende eksempel er en bearbeidet versjon av kode fra kap. 17.1 i
Guttag, J,V, 2016: Introduction to computation and programming using Python
"Gebremariam Gebregziabher",M,27,14,ETH,142.93
"Matebo Levy",M,22,2,KEN,133.10
"Cherop Sharon",F,28,1,KEN,151.83
"Chebet Wilson",M,26,5,KEN,134.93
"Dado Firehiwot",F,28,4,ETH,154.93
"Korir Laban",M,26,6,KEN,135.48
"Jeptoo Rita",F,31,6,KEN,155.88
"Korir Wesley",M,29,1,KEN,132.67
"Kipyego Bernard",M,25,3,KEN,133.22
"Barmasai David",M,23,8,KEN,137.27
....
Nr. 21541
"Miller Casey A.",M,36,3530,USA,285.20
# 0. Name (string),
# 1. Gender (string)
# 2. Age (int)
# 3. Division (int),
# 4. Country (string),
# 5. Overall time (float)
Text
Boston Marathon 2012
with open('bm_results2012.txt') as f:
lines = f.readlines()
for line in lines:
split = line.split(',')
data['name'].append(split[0])
data['gender'].append(split[1])
data['age'].append(int(split[2]))
data['division'].append(int(split[3]))
data['country'].append(split[4])
data['time'].append(float(split[5]))
Text
Boston Marathon 2012
plt.hist(data['time'], 20, edgecolor='black')
plt.title('2012 Boston Marathon')
plt.xlabel('Minutes to Complete Race')
plt.ylabel('Number of Runners')
plt.show()
Text
Boston Marathon 2012
Python black box
data-fil
Python-program
Resultater
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