csv python write
import csv
with open('names.csv', 'w') as csvfile:
fieldnames = ['first_name', 'last_name']
writer = csv.DictWriter(csvfile, fieldnames=fieldnames)
writer.writeheader()
writer.writerow({'first_name': 'Baked', 'last_name': 'Beans'})
writer.writerow({'first_name': 'Lovely', 'last_name': 'Spam'})
writer.writerow({'first_name': 'Wonderful', 'last_name': 'Spam'})accessing elements in DictReader
import csv
input_file = csv.DictReader(open("people.csv"))
max_age = None
oldest_person = None
for row in input_file:
age = int(row["age"])
if max_age == None or max_age < age:
max_age = age
oldest_person = row["name"]
if max_age != None:
print "The oldest person is %s, who is %d years old." % (oldest_person, max_age)
else:
print "The file does not contain any people."Copyright © 2021 Codeinu
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