text
nom,note
Ali,12
Zoe,15
python
import csv
table = []
with open("notes.csv", encoding="utf-8") as f:
for ligne in csv.reader(f):
table.append(ligne)
nom;age
Alice;17
Bob;16
python
for ligne in lecteur:
if int(ligne[1]) > 16:
print(ligne[0])
`]]>python
for ligne in lecteur:
if int(ligne["age"] > 16):
print(ligne["nom"])
`]]>python
for ligne in lecteur:
if int(ligne["age"]) > 16:
print(ligne["nom"])
`]]>python
for ligne in lecteur:
if ligne["age"] > 16:
print(ligne["nom"])
`]]>python
import csv
with open("contacts.txt", encoding="utf-8") as f:
for ligne in csv.reader(f, delimiter="\t"):
print(ligne)
`text
produit,quantite
stylo,4
cahier,6
python
import csv
table = []
with open("ventes.csv", encoding="utf-8") as f:
for ligne in csv.DictReader(f):
table.append((ligne["produit"], int(ligne["quantite"])))
python
with open("notes.csv") as f:
total = 0
for ligne in csv.DictReader(f):
total += ligne["note"]
moyenne = total / len(lignes)
`]]>python
with open("notes.csv") as f:
moyenne = sum(csv.reader(f)) / 2
`]]>python
with open("notes.csv") as f:
notes = [int(ligne["note"]) for ligne in csv.DictReader(f)]
moyenne = sum(notes) / len(notes)
`]]>python
moyenne = csv.mean("notes.csv", "note")
`]]>text
nom,classe
Ali,1A
Zoe,1B
python
import csv
lignes = []
with open("eleves.csv", encoding="utf-8") as f:
for ligne in csv.reader(f):
lignes.append(ligne)
entete = lignes[0]
table = []
for i in range(1, len(lignes)):
d = {}
for j in range(len(entete)):
d[entete[j]] = lignes[i][j]
table.append(d)
print(table[1])
`python
table = [{"nom": "Lou", "points": "12"},
{"nom": "Sami", "points": "30"},
{"nom": "Inès", "points": "8"}]
total = 0
for ligne in table:
total = total + int(ligne["points"])
print(total)
`python
retenues = []
for ligne in table:
if ligne["ville"] == "Lyon":
retenues.append(ligne)
print(len(retenues))
`]]>python
notes = ["12", "", "15", "9"]
total = 0
n = 0
for note in notes:
if note != "":
total = total + float(note)
n = n + 1
print(total / n)
`table_triee = sorted(table, key=cle)
Pourquoi la fonction cle convertit-elle l'âge avec int
python
villes = ["Lyon", "Paris", "Lyon", "Nice", "Paris"]
vues = []
for v in villes:
if v not in vues:
vues.append(v)
print(len(vues))
`]]>