我有以下 csv 文件，我正在使用 pandas dataframe 读取该文件：
Timestamp, UTC, id, loc, spd
001, 12z, q20, "52, 13", 320
002, 13z, a32, "53, 12", 321
003, 14z, q32, "54, 11", 321
004, 15`, a43, "55, 10", 330
我提取数据如下：
import pandas as pd
import matplotlib.pyplot as plt
fname = "data.csv"
data = pd.read_csv(fname,sep=",", header=None, skiprows=1)
data.columns = ["Timestamp", "UTC", "Callsign", "Position", "Speed", "Direction"]
t = data["Timestamp"]
utc = data["UTC"]
acid = data["Callsign"]
pos = data["Position"]
spd = ["Speed"]
但是，对于位置列，这会导致该列中每行有 2 个值。我希望将位置的第一个值放在单独的列表中，并将第二个值放在单独的列表中，如下所示：
latitude = …