Day 09 (100 Days of Code: Python) - Dictionaries and Nesting

 

 

 

✨✨✨✨✨#DICTIONARY 
programming_dictionary = {
  "Bug": "An error in a program that prevents the program from running as expected.",
  "Function": "A piece of code that you can easily call over and over again."
}
 
#Retrieving items from dictionary.
print(programming_dictionary["Bug"])
 
#Adding new items to dictionary.
programming_dictionary["Loop"] = "The action of doing something over and over again."
print(programming_dictionary)
 
#Create an empty dictionary.
empty_dictionary = {} #엠티 딕셔너리를 만드는게 종종 편할 때도 있다.
 
#Wipe a existing dictionary.
programming_dictionary = {} #초기화 시켜버리는 것.
print(programming_dictionary)
 
#Edit an item in a dictionary.
programming_dictionary["Bug"] = "A moth in your computer." #데피니션이 바뀜.
 
#Loop through a dictionary.
for key in programming_dictionary:
  print(key)
  print(programming_dictionary[key])
 
✨✨✨✨✨#Grading using dictionary
student_scores = {
  "Harry": 81,
  "Ron": 78,
  "Hermione": 99, 
  "Draco": 74,
  "Neville": 62,
}
# 🚨 Don't change the code above 👆
 
#TODO-1: Create an empty dictionary called student_grades.
student_grades = {}
 
#TODO-2: Write your code below to add the grades to student_grades.👇
for name in student_scores:
    score = student_scores[name]
    if score > 90:
        student_grades[name] = "Outstanding"
    elif score > 80:
        student_grades[name] = "Exceeds Expectations"
    elif score > 70:
        student_grades[name] = "Acceptable"
    else:
        student_grades[name] = "Fail"
 
 
 
# 🚨 Don't change the code below 👇
print(student_grades)
 
 
✨✨✨✨✨#Nesting
 
capitals = {
    "France": "Paris",
    "Germany": "Berlin",
}
 
#딕셔너리 안에 리스트를 네스팅하기
travel_log = {
    "France": {"cities_visited": ["Paris", "Lillie", "Dijon"], "total_visits": 12},
    "Germany": {"cities_visited": ["Munich", "Berlin"], "total_visits": 9},
}
 
#리스트 안에 딕셔너리를 네스팅하기
travel_log = [
    {
        "country": "France", 
        "cities_visited": ["Paris", "Lillie", "Dijon"], 
        "total_visits": 12
    },
    {
        "Country": "Germany", 
        "cities_visited": ["Munich", "Berlin"], 
        "total_visits": 9
    },
]
 
✨✨✨✨#Dictionary in List(트래블 로그 리스트에 새 딕셔너리 추가하기)
travel_log = [
{
  "country": "France",
  "visits": 12,
  "cities": ["Paris", "Lille", "Dijon"]
},
{
  "country": "Germany",
  "visits": 5,
  "cities": ["Berlin", "Hamburg", "Stuttgart"]
},
]
#🚨 Do NOT change the code above
 
#TODO: Write the function that will allow new countries
#to be added to the travel_log. 👇
def add_new_country(country_visited, times_visited, cities_visited):
    new_country = {}
    new_country["country"] = country_visited
    new_country["visits"] = times_visited
    new_country["cities"] = cities_visited
    travel_log.append(new_country)
 
#🚨 Do not change the code below
add_new_country("Russia", 2, ["Moscow", "Saint Petersburg"])
print(travel_log)
 
 
✨✨✨✨✨비밀경매 만들기
from replit import clear
bids = {}
bidding_finished = False
 
def find_highest_bidder(bidding_record):
  #bidding_record = {"Angela": 123, "James": 321}
  highest_bid = 0
  for bidder in bidding_record:
    bid_amount = bidding_record[bidder]
    if bid_amount > highest_bid:
      highest_bid = bid_amount
      winner = bidder
  print(f"The winner is {winner} with a bid of ${highest_bid}.")
 
while not bidding_finished:
  name = input(f"What is your name? : ")
  price = int(input(f"What is your bid? : $"))
  bids[name] = price
  should_continue = input(f"Are there any other bidders? Y or N : ").lower()
  if should_continue == "n":
    bidding_finished = True
    find_highest_bidder(bids)
  elif should_continue == "y":
    clear()