Python(Spider version of it) related questions

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TradeData20202.csv
Trade Times in Seconds Trade Sizes
0
0.836 1
3.965 33
6.489 8
13.418 10
13.681 4
14.019 14
14.33 10
16.743 2
16.995 5
18.369 6
20.473 4
22.504 15
23.161 1
25.785 1
28.93 5
28.976 15
34.489 3
36.373 13
38.131 5
39.884 5
41.537 10
44.385 20
49.242 30
50.799 33
51.802 4
52.117 100
52.495 10
54.526 20
55.682 10
59.214 5
62.534 2
63.741 9
65.34 6
66.393 10
68.419 1
70.067 12
73.779 2
77.769 1
79.218 10
82.234 10
82.657 1
85.733 3
85.838 1
86.581 3
88.17 1
88.377 9
89.076 1
90.253 1
98.592 30
99.307 10
99.625 12
102.413 30
103.072 5
105.791 1
108.354 10
118.234 25
118.775 1
120.339 20
121.933 1
122.997 1
124.272 29
127.882 10
132.686 1
133.241 71
133.931 1
136.491 15
137.381 12
141.454 11
142.995 29
144.525 1
150.855 25
156.484 10
157.174 7
158.574 5
159.959 4
166.188 25
167.114 30
169.955 8
170.085 7
171.246 8
175.247 5
175.847 1
175.848 1
177.142 1
180.828 9
180.941 1
181.59 1
181.721 20
192.079 12
195.744 1
197.263 20
199.016 1
199.646 1
201.379 9
209.309 12
210.803 2
212.437 13
212.756 10
213.199 3