import pandas as pd
data={"Produit":["PC","Souris","Clavier","Ecran"],
      "Prix":[1500,20,30,300],
      "Quantité":[10,50,40,20]}
df=pd.DataFrame(data)
df.head(3)
df["Chiffre_Affaire"] = df["Prix"] * df["Quantite"]
print(df)
df[df["Chiffre_Affaire"] > 1000]
ca_total = df["Chiffre_Affaire"].sum()
print(ca_total)
df_sorted = df.sort_values(by="Chiffre_Affaire", ascending=False)
print(df_sorted)