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DeveloperYunDeveloperYun
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day3
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‎day1_10+11.py

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#boolean operation : and ,or ,not
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def age_chk(age):
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print(f"your {age}")
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if age < 18:
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print("u cant drink")
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elif age == 18:
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print("you are new to this")
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elif age > 20 and age < 25: # 여러 조건이 포함된 and 연산자
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print("you are stil kind of young")
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else:
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print("u can drink")
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age_chk(23)
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##########
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# for
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days = ("mon","tue","wed","thu","fri")
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for x in days:
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# x는 변수
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if x is "wed":
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break
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else:
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print(x)
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for y in [1,2,3,4,5]:
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print(y)
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#파이썬에서는 string도 일종의 배열이므로
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for letter in "abafsdgasdg":
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print(letter)

‎homework2.py

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"""
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Again, the code is broken, you need to create 4 functions.
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- add_to_dict: Add a word to a dict.
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- get_from_dict: Get a word from inside a dict.
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- update_word: Update a word inside of the dict.
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- delete_from_dict: Delete a word from the dict.
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All this functions should check for errors, follow the comments to see all cases you need to cover.
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There should be NO ERRORS from Python in the console.
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"""
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def add_to_dict(dict, *word): #튜플 형태로 가변 매개변수 받기
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if str(type(dict)) == "<class 'dict'>":
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if len(word) == 2:
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if word[0] in dict:
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print(f"{word[0]} is already on the dictionary. Won't add.")
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else:
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dict[word[0]] = word[1]
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print(f"{word[0]} has been added.")
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else:
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print("You need to send a word and a definition.")
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else:
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print(f"you need to send a dictionary. You sent: {type(dict)}")
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def get_from_dict(dict, *word):
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if str(type(dict)) == "<class 'dict'>":
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if len(word) == 1:
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if word[0] in dict:
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print(f"{word[0]}: {dict[word[0]]}")
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else:
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print(f"{word[0]} was not found in this dict.")
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else:
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print("You need to send a word to search for.")
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else:
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print(f"you need to send a dictionary. You sent: {type(dict)}")
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def update_word(dict, *word):
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if str(type(dict)) == "<class 'dict'>":
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if len(word) == 2:
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if word[0] in dict:
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dict[word[0]] = word[1]
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print(f"{word[0]} has been updated to: {word[1]}")
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else:
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print(f"{word[0]} is not on the dict. Can't update non-existing word.")
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else:
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print("You need to send a word and a definition to update.")
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else:
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print(f"you need to send a dictionary. You sent: {type(dict)}")
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def delete_from_dict(dict, *word):
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if str(type(dict)) == "<class 'dict'>":
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if len(word) == 1:
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if word[0] in dict:
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del dict[word[0]]
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print(f"{word[0]} has been deleted.")
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else:
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print(f"{word[0]} is not on in this dict. Won't delete.")
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else:
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print("You need to specifty a word to delete.")
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else:
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print(f"you need to send a dictionary. You sent: {type(dict)}")
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# \/\/\/\/\/\/\ DO NOT TOUCH \/\/\/\/\/\/\
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import os
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os.system('clear')
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my_english_dict = {}
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print("\n###### add_to_dict ######\n")
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# Should not work. First argument should be a dict.
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print('add_to_dict("hello", "kimchi"):')
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add_to_dict("hello", "kimchi")
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# Should not work. Definition is required.
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print('\nadd_to_dict(my_english_dict, "kimchi"):')
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add_to_dict(my_english_dict, "kimchi")
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# Should work.
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print('\nadd_to_dict(my_english_dict, "kimchi", "The source of life."):')
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add_to_dict(my_english_dict, "kimchi", "The source of life.")
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# Should not work. kimchi is already on the dict
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print('\nadd_to_dict(my_english_dict, "kimchi", "My fav. food"):')
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add_to_dict(my_english_dict, "kimchi", "My fav. food")
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print("\n\n###### get_from_dict ######\n")
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# Should not work. First argument should be a dict.
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print('\nget_from_dict("hello", "kimchi"):')
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get_from_dict("hello", "kimchi")
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# Should not work. Word to search from is required.
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print('\nget_from_dict(my_english_dict):')
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get_from_dict(my_english_dict)
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# Should not work. Word is not found.
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print('\nget_from_dict(my_english_dict, "galbi"):')
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get_from_dict(my_english_dict, "galbi")
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# Should work and print the definiton of 'kimchi'
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print('\nget_from_dict(my_english_dict, "kimchi"):')
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get_from_dict(my_english_dict, "kimchi")
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print("\n\n###### update_word ######\n")
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# Should not work. First argument should be a dict.
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print('\nupdate_word("hello", "kimchi"):')
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update_word("hello", "kimchi")
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# Should not work. Word and definiton are required.
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print('\nupdate_word(my_english_dict, "kimchi"):')
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update_word(my_english_dict, "kimchi")
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# Should not work. Word not found.
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print('\nupdate_word(my_english_dict, "galbi", "Love it."):')
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update_word(my_english_dict, "galbi", "Love it.")
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# Should work.
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print('\nupdate_word(my_english_dict, "kimchi", "Food from the gods."):')
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update_word(my_english_dict, "kimchi", "Food from the gods.")
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# Check the new value.
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print('\nget_from_dict(my_english_dict, "kimchi"):')
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get_from_dict(my_english_dict, "kimchi")
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print("\n\n###### delete_from_dict ######\n")
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# Should not work. First argument should be a dict.
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print('\ndelete_from_dict("hello", "kimchi"):')
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delete_from_dict("hello", "kimchi")
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# Should not work. Word to delete is required.
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print('\ndelete_from_dict(my_english_dict):')
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delete_from_dict(my_english_dict)
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# Should not work. Word not found.
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print('\ndelete_from_dict(my_english_dict, "galbi"):')
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delete_from_dict(my_english_dict, "galbi")
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# Should work.
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print('\ndelete_from_dict(my_english_dict, "kimchi"):')
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delete_from_dict(my_english_dict, "kimchi")
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# Check that it does not exist
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print('\nget_from_dict(my_english_dict, "kimchi"):')
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get_from_dict(my_english_dict, "kimchi")
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# \/\/\/\/\/\/\ END DO NOT TOUCH \/\/\/\/\/\/\

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