Each key

each_key

1 Python

dict = {'id':102, 'name':'YONEZAWA Akinori', 'address':'Naha, Okinawa'}
print( dict.keys() );
# ['address', 'id', 'name']

2 Ruby

member = {
  ID: 102,
  Name: "YONEZAWA Akinori",
  Address: "Naha, Okinawa"
}
puts member.each_key { |k| puts k }
# ID
# Name
# Address

3 같이 보기

• each_value
• keys
• foreach