The life of TB

### Load and parse a JSON data file and determine some information about it.### 'date': '2022-05-24',### 'tmin': 61,### 'tmax': 80,### 'prcp': 0.0,### 'snow': 0.0,### 'snwd': 0.0,### 'awnd': 8.3},### 'date': '2022-05-31',### 'tmin': 68,### 'tmax': 92,### 'prcp': 0.0,### 'snow': 0.0,### 'snwd': 0.0,### 'awnd': 4.0import jsonimport osimport pprintfile_path = os.path.join('2025-03-10', 'rdu-weather..

Python 2025. 4. 3. 16:26

empty_list = [] # 빈 리스트를 만든다.print(type(empty_list)) # 리스트인가?# 결과print(len(empty_list)) # 방금 생성한 리스트에는 아무것도 들어있지 않다.# 결과0list_is_Container = []list_is_Container[0:1] = '1' # 리스트의 첫째 자리에 1이라는 스트링을 넣는다.print(list_is_Container)# 결과['1']one_list = []another_list = [2]one_list.append(another_list) # 리스트 안에 또 다른 리스트를 넣는다.print(one_list)# 결과[[2]] # 리스트 요소의 삭제planets = ['pluto', 'mars', 'earth', 'venus'..

Python 2025. 4. 3. 07:34

# Exceptionstry: result = 1 / 0except Exception as e: print(f"'{e}' error occurred!")lst = [1, 2, 3]try: print(lst[3])except Exception as e: print(f"'{e}' error occurred!")# 결과'division by zero' error occurred!'list index out of range' error occurred! # Try, except, else# - The else block in a try statement is executed only if# no exceptions are raised in the try block.# Try, except,..

Python 2025. 4. 2. 11:14

# Sequence comparisonsimport itertools# define some listsseq_1 = [1, 2, 3, 6, 10, 15, 34, 56]seq_2 = [1, 2, 5, 7, 9, 18, 22, 38, 91]# define a tupleseq_3 = (1, 2, 3, 6, 10, 15, 34, 56)# compare the sequences# seq_1 vs seq_2print(f"Is seq_1 is equal to seq_2: {seq_1 == seq_2}") # two sequences are obviously different.print(f"Is seq_1 is greater than seq_2: {seq_1 > seq_2}") # third valus of seq_1..

Python 2025. 4. 1. 15:14

# List comprehension## It just make creating lists much more efficient and# reduce drastically the amount of code you need to create simple lists.# They become nearly impossible to live without.numbers: list[int] = [1, 2, 3]numbers_lc = [num for num in range(1, 4)]print(numbers)print(numbers_lc)print(f"Is the numbers equal to numbers_lc? : {numbers == numbers_lc}")doubled: list[int] = []for num ..

Python 2025. 4. 1. 09:48

# Sequences are one of Python's most basic data structures.# A sequence contains items arranged in order,# and you can access each item using an integer index# that represents its position in the sequence.# Most sequence types also support an operation called slicing.# And you can use this operation to access the subset of the items# in a given sequence.from collections import dequenames = ["Jim..

Python 2025. 3. 31. 19:32

# text 파일의 내용을 리버스# 1. 단어 내용을 리버스# 2. 단어 순서를 리버스# reverse words in a text fileimport os# os.path.join은 운영체제에 관계 없이 경로를 만들어 준다.file_path = os.path.join('2025-03-10', '5 - example.txt')reversed_words_letter = []reversed_words_sequence = []with open(file_path, 'r') as file: text = file.read() words = text.split() for word in words: reversed_words_letter.append(word[::-1]) reverse..

Python 2025. 3. 31. 19:08

# The counter collection class is specifically designed for count purpose.# A Counter can be instantiated from an iterable (such as a list or a string) or# a mapping (like a dictiionary). Hashable objects are keys and their frequencies are values.from collections import Counterprint(f"Is the counter class a subclass of dict? {issubclass(Counter, dict)}")# Initialize with a listletters = ["a", "b..

Python 2025. 3. 31. 14:15