import pandas as pd import matplotlib.pyplot as plt data = pd.read_csv("ugz_luftqualitaetsmessungen_seit-2012.csv") newdata = data.iloc[5:,0:3] newdata = newdata.rename(columns={"Zürich Stampfenbachstrasse" : "SO2", "Zürich Stampfenbachstrasse.1": "CO"}) newdata["SO2"] = newdata["SO2"].astype(float) newdata["CO"] = newdata["CO"].astype(float) newdata = newdata.loc[(newdata["SO2"] < 0.1) | (newdata["SO2"] > 0.25), "CO"] datalist = list(newdata) plt.plot(datalist) plt.savefig("cx_out/out.png") #print(newdata)