In [4]:
## Exercise 2.9

birth_year = 37
death_year = 68
reign_start = 54
regin_stop = 64

live_lenght = death_year - birth_year
regin_lenght = regin_stop - reign_start

print( "Nero was in power for ", regin_lenght / live_lenght, "of his life")

Nero was in power for  0.3225806451612903 of his life
In [5]:
## 2.11

price = 250000
area = 75
cost_per_square_meter = price / area

print( cost_per_square_meter )

3333.3333333333335
In [7]:
## 2.12

text = "Coding Social Science is fun."
print( text.lower() )
print( text.upper() )

coding social science is fun.
CODING SOCIAL SCIENCE IS FUN.
In [10]:
## 2.13

text = "I'm starting to do and understand computational social science."
print( text[0] )
print( text[19] )
print( text[-1] )

I
a
.
In [18]:
## 2.14

for i in range(1, 6):
    print( i )
    
for i in range(1, 51):
    print( i )

for i in range(1, 101):
    print( i )
    
for i in range(50, 101):
    print( i )

1
2
3
4
5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
In [23]:
## 2.15

for line in open ("emperors_small.csv"):
    line = line.split(",")
    name = line [0]
    birth_year = float( line [1] )
    death_year = float( line [2] )
    start_of_reign = float( line [3] )
    end_of_reign = float( line [4] )
    age = death_year - birth_year
    print( age )

37.0
54.0
70.0
42.0
45.0
68.0
64.0
62.0
75.0
59.0
31.0
67.0
60.0
66.0
29.0
In [24]:
## 2.16

for line in open ("emperors_small.csv"):
    line = line.split(",")
    name = line [0]
    birth_year = float( line [1] )
    death_year = float( line [2] )
    start_of_reign = float( line [3] )
    end_of_reign = float( line [4] )
    life_lenghth = death_year - birth_year
    regin_length =  end_of_reign - start_of_reign
    print( regin_length / life_lenghth )

0.0
0.0
0.14285714285714285
0.047619047619047616
0.3333333333333333
0.029411764705882353
0.296875
0.3387096774193548
0.30666666666666664
0.3220338983050847
0.0
0.0
0.0
0.2727272727272727
0.6551724137931034
In [34]:
## 2.17

## step 1: logic of fizzbuzz

number = 5

if number % 5 == 0 and number % 3 == 0:
    print("fizzbuzz")
else:
    if number % 5 == 0:
        print("buzz")
    else:
        if number % 3 == 0:
            print("fizz")
        else:
            print( number )
            
## step 2: repeat command when correct
            
for number in range(1, 101):
    if number % 5 == 0 and number % 3 == 0:
        print("fizzbuzz")
    else:
        if number % 5 == 0:
            print("buzz")
        else:
            if number % 3 == 0:
                print("fizz")
            else:
                print( number )

buzz
1
2
fizz
4
buzz
fizz
7
8
fizz
buzz
11
fizz
13
14
fizzbuzz
16
17
fizz
19
buzz
fizz
22
23
fizz
buzz
26
fizz
28
29
fizzbuzz
31
32
fizz
34
buzz
fizz
37
38
fizz
buzz
41
fizz
43
44
fizzbuzz
46
47
fizz
49
buzz
fizz
52
53
fizz
buzz
56
fizz
58
59
fizzbuzz
61
62
fizz
64
buzz
fizz
67
68
fizz
buzz
71
fizz
73
74
fizzbuzz
76
77
fizz
79
buzz
fizz
82
83
fizz
buzz
86
fizz
88
89
fizzbuzz
91
92
fizz
94
buzz
fizz
97
98
fizz
buzz
In [35]:
## 2.18

## step 1: logic of fizzbuzz

year = 1999

if year % 100 == 0:
    if year % 400 == 0: ## if it is divisible by 100, it is a leap year only if it can also be divided by 400.
        print( year, "is leap year")
    else:
        print( year, "is not a leap year")
else:
    if year % 4 == 0: ## A year is a leap year if it can be divided by 4.
        print( year, "is leap year")
    else:
        print( year, "is not a leap year")

1999 is not a leap year
In [36]:
## 2.19

for year in range(1990, 2051):
    if year % 100 == 0:
        if year % 400 == 0: ## if it is divisible by 100, it is a leap year only if it can also be divided by 400.
            print( year )
    else:
        if year % 4 == 0: ## A year is a leap year if it can be divided by 4.
            print( year )

1992
1996
2000
2004
2008
2012
2016
2020
2024
2028
2032
2036
2040
2044
2048
In [40]:
## 2.20

most_wanted_holder = 0

for line in open("numbers.txt"):
    line = float( line )
    if line > most_wanted_holder:
        most_wanted_holder = line
print("The highest number is", most_wanted_holder )

The highest number is 9.0
In [41]:
## 2.21

gatherer = 0

for line in open("numbers.txt"):
    line = float( line )
    gatherer = gatherer + line
print("The sum of the numbers is", gatherer )

The sum of the numbers is 36.0
In [43]:
## 2.22

flag = False
looking_for = 42

for line in open("numbers.txt"):
    line = float( line )
    if line == looking_for:
        flag = True

if flag == True:
    print("The file contains the value", looking_for )
else:
    print("The file does not contain the value", looking_for )

The file does not contain the value 42
In [45]:
## 2.23

most_wanted_holder = 0
most_wanted_follower = 0

for line in open("numbers.txt"):
    line = float( line )
    if line > most_wanted_holder:
        most_wanted_follower = most_wanted_holder
        most_wanted_holder = line
print("The second highest number is", most_wanted_follower )

The second highest number is 7.0
In [48]:
## 2.24

age_most_wanted = 999 ## large number
name_most_wanted = "" ## this is a followe variable

for line in open ("emperors_small.csv"):
    line = line.split(",")
    name = line [0]
    birth_year = float( line [1] )
    death_year = float( line [2] )
    age = death_year - birth_year
    
    if age < age_most_wanted:
        age_most_wanted = age
        name_most_wanted = name

print( "Youngest person to become Roman emperor was", name )

Youngest person to become Roman emperor was Caracalla
In [57]:
## 2.35

votes_a1 = 300
votes_a2 = 750
votes_a3 = 345
votes_a4 = 105

votes_a = votes_a1 + votes_a2 + votes_a3 + votes_a4

votes_b1 = 1000
votes_b2 = 300

votes_b = votes_b1 + votes_b2

votes_c1 = 301
votes_c2 = 300
votes_c3 = 299

votes_c = votes_c1 + votes_c2 + votes_c3

votes_d1 = 202
votes_d2 = 201
votes_d3 = 198
votes_d4 = 199

votes_d = votes_d1 + votes_d2 + votes_d3 + votes_d4

print( votes_a , votes_b, votes_c, votes_d )

1500 1300 900 800
In [59]:
## 2.26

total_votes = votes_a + votes_b + votes_c + votes_d

print( votes_a / total_votes )
print( votes_b / total_votes )
print( votes_c / total_votes )
print( votes_d / total_votes )

0.3333333333333333
0.28888888888888886
0.2
0.17777777777777778
In [60]:
## 2.27

for line in open ("elections.txt"):
    line = line.split(",")
    name = line[0]
    party = line[1]
    votes = float( line[2] )
    birth_year = float( line [3] )
In [61]:
## 2.28

total_votes_gatherer = 0

for line in open ("elections.txt"):
    line = line.split(",")
    name = line[0]
    party = line[1]
    votes = float( line[2] )
    birth_year = float( line [3] )
    
    total_votes_gatherer = total_votes_gatherer + votes
    
print( total_votes_gatherer )

96589152.0
In [62]:
## 2.29

party_b_votes_gatherer = 0

for line in open ("elections.txt"):
    line = line.split(",")
    name = line[0]
    party = line[1]
    votes = float( line[2] )
    birth_year = float( line [3] )
    
    if party == "PartyB":
        party_b_votes_gatherer = party_b_votes_gatherer + votes
    
print( party_b_votes_gatherer )

21572206.0
In [63]:
## 2.30

votes_gatherer = 0

for line in open ("elections.txt"):
    line = line.split(",")
    name = line[0]
    party = line[1]
    votes = float( line[2] )
    birth_year = float( line [3] )
    
    if name.endswith('a'):
        votes_gatherer = votes_gatherer + votes
    
print( votes_gatherer )

20154016.0
In [64]:
## 2.31

votes_A_gatherer = 0
votes_K_gatherer = 0

for line in open ("elections.txt"):
    line = line.split(",")
    name = line[0]
    party = line[1]
    votes = float( line[2] )
    birth_year = float( line [3] )
    
    if name.startswith('A'):
        votes_A_gatherer = votes_A_gatherer + votes

    if name.startswith('K'):
        votes_K_gatherer = votes_K_gatherer + votes

print( votes_A_gatherer, votes_K_gatherer )
print( votes_A_gatherer / votes_K_gatherer ) ## relative voute counts

14500641.0 6369396.0
2.2766116284809423
In [67]:
## 2.32

candidates_before_1980_collector = 0
    
for line in open ("elections.txt"):
    line = line.split(",")
    name = line[0]
    party = line[1]
    votes = float( line[2] )
    birth_year = float( line [3] )
    
    if birth_year < 1980:
        candidates_before_1980_collector = candidates_before_1980_collector + 1
        
print( candidates_before_1980_collector )

113
In [68]:
## 2.33

votes_before_1980_collector = 0
votes_after_1980_collector = 0
    
for line in open ("elections.txt"):
    line = line.split(",")
    name = line[0]
    party = line[1]
    votes = float( line[2] )
    birth_year = float( line [3] )
    
    if birth_year < 1980:
        votes_before_1980_collector = votes_before_1980_collector + votes
    else:
        votes_after_1980_collector = votes_after_1980_collector + votes
        
if votes_before_1980_collector > votes_after_1980_collector:
    print("People born before 1980 recieved more votes")
else:
     print("People born 1980 or after recieved more votes")

People born before 1980 recieved more votes
In [69]:
## 2.34

votes_before_1980_collector = 0
votes_after_1980_collector = 0

candidates_before_1980_collector = 0
candidates_after_1980_collector = 0
    
for line in open ("elections.txt"):
    line = line.split(",")
    name = line[0]
    party = line[1]
    votes = float( line[2] )
    birth_year = float( line [3] )
    
    if birth_year < 1980:
        votes_before_1980_collector = votes_before_1980_collector + votes
        candidates_before_1980_collector = candidates_before_1980_collector + 1
    else:
        votes_after_1980_collector = votes_after_1980_collector + votes
        candidates_after_1980_collector = candidates_after_1980_collector + 1
        
if votes_before_1980_collector / candidates_before_1980_collector > votes_after_1980_collector / candidates_after_1980_collector:
    print("People born before 1980 recieved more votes")
else:
     print("People born 1980 or after recieved more votes")

People born 1980 or after recieved more votes
In [70]:
## 2.35

most_voted_candidate_votes = 0
most_voted_candidate_name = ''

for line in open ("elections.txt"):
    line = line.split(",")
    name = line[0]
    party = line[1]
    votes = float( line[2] )
    birth_year = float( line [3] )
    
    if party == 'PartyB':
        if votes > most_voted_candidate_votes:
            most_voted_candidate_votes = votes
            most_voted_candidate_name = name
            
print( most_voted_candidate_name, most_voted_candidate_votes )
            

Armo Pautamo 895747.0
In [72]:
## 2.37

party_b_candidate_count = 0

for line in open ("elections.txt"):
    line = line.split(",")
    name = line[0]
    party = line[1]
    votes = float( line[2] )
    birth_year = float( line [3] )
    
    if party == 'PartyB':
        party_b_candidate_count = party_b_candidate_count  + 1
            
print( party_b_candidate_count )

46
In [75]:
## 2.38

candidate_count = party_b_candidate_count
party_votes = party_b_votes_gatherer

for i in range( 1, candidate_count ):
    print( "Candidate", i,  party_votes / i )
    

Candidate 1 21572206.0
Candidate 2 10786103.0
Candidate 3 7190735.333333333
Candidate 4 5393051.5
Candidate 5 4314441.2
Candidate 6 3595367.6666666665
Candidate 7 3081743.714285714
Candidate 8 2696525.75
Candidate 9 2396911.777777778
Candidate 10 2157220.6
Candidate 11 1961109.6363636365
Candidate 12 1797683.8333333333
Candidate 13 1659400.4615384615
Candidate 14 1540871.857142857
Candidate 15 1438147.0666666667
Candidate 16 1348262.875
Candidate 17 1268953.294117647
Candidate 18 1198455.888888889
Candidate 19 1135379.2631578948
Candidate 20 1078610.3
Candidate 21 1027247.9047619047
Candidate 22 980554.8181818182
Candidate 23 937922.0
Candidate 24 898841.9166666666
Candidate 25 862888.24
Candidate 26 829700.2307692308
Candidate 27 798970.5925925926
Candidate 28 770435.9285714285
Candidate 29 743869.1724137932
Candidate 30 719073.5333333333
Candidate 31 695877.6129032258
Candidate 32 674131.4375
Candidate 33 653703.2121212122
Candidate 34 634476.6470588235
Candidate 35 616348.7428571428
Candidate 36 599227.9444444445
Candidate 37 583032.5945945946
Candidate 38 567689.6315789474
Candidate 39 553133.4871794871
Candidate 40 539305.15
Candidate 41 526151.3658536585
Candidate 42 513623.95238095237
Candidate 43 501679.20930232556
Candidate 44 490277.4090909091
Candidate 45 479382.35555555555
In [79]:
## 2.39

party_a_votes = 0
party_b_votes = 0
party_c_votes = 0
party_d_votes = 0

party_a_candidates = 0
party_b_candidates = 0
party_c_candidates = 0
party_d_candidates = 0

for line in open ("elections.txt"):
    line = line.split(",")
    name = line[0]
    party = line[1]
    votes = float( line[2] )
    birth_year = float( line [3] )
    
    if party == 'PartyA':
        party_a_votes = party_a_votes + votes
        party_a_candidates = party_a_candidates  + 1
        
    if party == 'PartyB':
        party_b_votes = party_b_votes + votes
        party_b_candidates = party_b_candidates  + 1
        
    if party == 'PartyC':
        party_c_votes = party_c_votes + votes
        party_c_candidates = party_c_candidates  + 1
        
    if party == 'PartyD':
        party_d_votes = party_d_votes + votes
        party_d_candidates = party_d_candidates  + 1
        
for i in range( 1, party_a_candidates ):
    print( "Party A, candidate", i,  party_a_votes / i )
    
for i in range( 1, party_b_candidates ):
    print( "Party B, candidate", i,  party_b_votes / i )
    
for i in range( 1, party_c_candidates ):
    print( "Party C, candidate", i,  party_c_votes / i )
    
for i in range( 1, party_d_candidates ):
    print( "Party D, candidate", i,  party_d_votes / i )

Party A, candidate 1 19547763.0
Party A, candidate 2 9773881.5
Party A, candidate 3 6515921.0
Party A, candidate 4 4886940.75
Party A, candidate 5 3909552.6
Party A, candidate 6 3257960.5
Party A, candidate 7 2792537.5714285714
Party A, candidate 8 2443470.375
Party A, candidate 9 2171973.6666666665
Party A, candidate 10 1954776.3
Party A, candidate 11 1777069.3636363635
Party A, candidate 12 1628980.25
Party A, candidate 13 1503674.076923077
Party A, candidate 14 1396268.7857142857
Party A, candidate 15 1303184.2
Party A, candidate 16 1221735.1875
Party A, candidate 17 1149868.4117647058
Party A, candidate 18 1085986.8333333333
Party A, candidate 19 1028829.6315789474
Party A, candidate 20 977388.15
Party A, candidate 21 930845.8571428572
Party A, candidate 22 888534.6818181818
Party A, candidate 23 849902.7391304348
Party A, candidate 24 814490.125
Party A, candidate 25 781910.52
Party A, candidate 26 751837.0384615385
Party A, candidate 27 723991.2222222222
Party A, candidate 28 698134.3928571428
Party A, candidate 29 674060.7931034482
Party A, candidate 30 651592.1
Party A, candidate 31 630573.0
Party A, candidate 32 610867.59375
Party A, candidate 33 592356.4545454546
Party A, candidate 34 574934.2058823529
Party A, candidate 35 558507.5142857142
Party B, candidate 1 21572206.0
Party B, candidate 2 10786103.0
Party B, candidate 3 7190735.333333333
Party B, candidate 4 5393051.5
Party B, candidate 5 4314441.2
Party B, candidate 6 3595367.6666666665
Party B, candidate 7 3081743.714285714
Party B, candidate 8 2696525.75
Party B, candidate 9 2396911.777777778
Party B, candidate 10 2157220.6
Party B, candidate 11 1961109.6363636365
Party B, candidate 12 1797683.8333333333
Party B, candidate 13 1659400.4615384615
Party B, candidate 14 1540871.857142857
Party B, candidate 15 1438147.0666666667
Party B, candidate 16 1348262.875
Party B, candidate 17 1268953.294117647
Party B, candidate 18 1198455.888888889
Party B, candidate 19 1135379.2631578948
Party B, candidate 20 1078610.3
Party B, candidate 21 1027247.9047619047
Party B, candidate 22 980554.8181818182
Party B, candidate 23 937922.0
Party B, candidate 24 898841.9166666666
Party B, candidate 25 862888.24
Party B, candidate 26 829700.2307692308
Party B, candidate 27 798970.5925925926
Party B, candidate 28 770435.9285714285
Party B, candidate 29 743869.1724137932
Party B, candidate 30 719073.5333333333
Party B, candidate 31 695877.6129032258
Party B, candidate 32 674131.4375
Party B, candidate 33 653703.2121212122
Party B, candidate 34 634476.6470588235
Party B, candidate 35 616348.7428571428
Party B, candidate 36 599227.9444444445
Party B, candidate 37 583032.5945945946
Party B, candidate 38 567689.6315789474
Party B, candidate 39 553133.4871794871
Party B, candidate 40 539305.15
Party B, candidate 41 526151.3658536585
Party B, candidate 42 513623.95238095237
Party B, candidate 43 501679.20930232556
Party B, candidate 44 490277.4090909091
Party B, candidate 45 479382.35555555555
Party C, candidate 1 23343976.0
Party C, candidate 2 11671988.0
Party C, candidate 3 7781325.333333333
Party C, candidate 4 5835994.0
Party C, candidate 5 4668795.2
Party C, candidate 6 3890662.6666666665
Party C, candidate 7 3334853.714285714
Party C, candidate 8 2917997.0
Party C, candidate 9 2593775.111111111
Party C, candidate 10 2334397.6
Party C, candidate 11 2122179.6363636362
Party C, candidate 12 1945331.3333333333
Party C, candidate 13 1795690.4615384615
Party C, candidate 14 1667426.857142857
Party C, candidate 15 1556265.0666666667
Party C, candidate 16 1458998.5
Party C, candidate 17 1373175.0588235294
Party C, candidate 18 1296887.5555555555
Party C, candidate 19 1228630.3157894737
Party C, candidate 20 1167198.8
Party C, candidate 21 1111617.9047619049
Party C, candidate 22 1061089.8181818181
Party C, candidate 23 1014955.4782608695
Party C, candidate 24 972665.6666666666
Party C, candidate 25 933759.04
Party C, candidate 26 897845.2307692308
Party C, candidate 27 864591.7037037037
Party C, candidate 28 833713.4285714285
Party C, candidate 29 804964.6896551724
Party C, candidate 30 778132.5333333333
Party C, candidate 31 753031.4838709678
Party C, candidate 32 729499.25
Party C, candidate 33 707393.2121212122
Party C, candidate 34 686587.5294117647
Party C, candidate 35 666970.7428571428
Party C, candidate 36 648443.7777777778
Party C, candidate 37 630918.2702702703
Party C, candidate 38 614315.1578947369
Party C, candidate 39 598563.4871794871
Party C, candidate 40 583599.4
Party C, candidate 41 569365.268292683
Party C, candidate 42 555808.9523809524
Party C, candidate 43 542883.1627906977
Party C, candidate 44 530544.9090909091
Party C, candidate 45 518755.02222222224
Party C, candidate 46 507477.73913043475
Party C, candidate 47 496680.3404255319
Party C, candidate 48 486332.8333333333
Party C, candidate 49 476407.67346938775
Party C, candidate 50 466879.52
Party C, candidate 51 457725.01960784313
Party D, candidate 1 32125207.0
Party D, candidate 2 16062603.5
Party D, candidate 3 10708402.333333334
Party D, candidate 4 8031301.75
Party D, candidate 5 6425041.4
Party D, candidate 6 5354201.166666667
Party D, candidate 7 4589315.285714285
Party D, candidate 8 4015650.875
Party D, candidate 9 3569467.4444444445
Party D, candidate 10 3212520.7
Party D, candidate 11 2920473.3636363638
Party D, candidate 12 2677100.5833333335
Party D, candidate 13 2471169.769230769
Party D, candidate 14 2294657.6428571427
Party D, candidate 15 2141680.466666667
Party D, candidate 16 2007825.4375
Party D, candidate 17 1889718.0588235294
Party D, candidate 18 1784733.7222222222
Party D, candidate 19 1690800.3684210526
Party D, candidate 20 1606260.35
Party D, candidate 21 1529771.761904762
Party D, candidate 22 1460236.6818181819
Party D, candidate 23 1396748.1304347827
Party D, candidate 24 1338550.2916666667
Party D, candidate 25 1285008.28
Party D, candidate 26 1235584.8846153845
Party D, candidate 27 1189822.4814814816
Party D, candidate 28 1147328.8214285714
Party D, candidate 29 1107765.7586206896
Party D, candidate 30 1070840.2333333334
Party D, candidate 31 1036297.0
Party D, candidate 32 1003912.71875
Party D, candidate 33 973491.1212121212
Party D, candidate 34 944859.0294117647
Party D, candidate 35 917863.0571428571
Party D, candidate 36 892366.8611111111
Party D, candidate 37 868248.8378378379
Party D, candidate 38 845400.1842105263
Party D, candidate 39 823723.2564102564
Party D, candidate 40 803130.175
Party D, candidate 41 783541.6341463415
Party D, candidate 42 764885.880952381
Party D, candidate 43 747097.8372093023
Party D, candidate 44 730118.3409090909
Party D, candidate 45 713893.4888888889
Party D, candidate 46 698374.0652173914
Party D, candidate 47 683515.0425531915
Party D, candidate 48 669275.1458333334
Party D, candidate 49 655616.4693877551
Party D, candidate 50 642504.14
Party D, candidate 51 629906.0196078431
Party D, candidate 52 617792.4423076923
Party D, candidate 53 606135.9811320754
Party D, candidate 54 594911.2407407408
Party D, candidate 55 584094.6727272727
Party D, candidate 56 573664.4107142857
Party D, candidate 57 563600.1228070175
Party D, candidate 58 553882.8793103448
Party D, candidate 59 544495.033898305
Party D, candidate 60 535420.1166666667
Party D, candidate 61 526642.737704918
Party D, candidate 62 518148.5
Party D, candidate 63 509923.92063492065
Party D, candidate 64 501956.359375
Party D, candidate 65 494233.95384615386
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