InfoDb = []

Name = input("First Name: ")
Lastn = input("Last Name: ")
rank = input("What is your chess ranking? ")
# InfoDB is a data structure with expected Keys and Values

# Append to List a Dictionary of key/values related to a person and cars
InfoDb.append({
    "FirstName": Name,
    "LastName": Lastn,
    "Ranking": [rank]
})

# Append to List a 2nd Dictionary of key/values
InfoDb.append({
    "FirstName": "Barry",
    "LastName": "Smith",
    "Class": "APCSP",
    "Grade": "Freshman",
    "Favorite Food": ["Pizza"]
})
# Print the data structure
print(InfoDb)