id stringlengths 8 8 | code stringclasses 17
values | explanation stringclasses 17
values | context stringclasses 17
values | language stringclasses 1
value | difficulty stringclasses 3
values | tags listlengths 2 2 | version stringclasses 1
value | keywords listlengths 3 3 |
|---|---|---|---|---|---|---|---|---|
8c9d8f7a | # Regular Expressions
def extract_emails(text):
import re
return re.findall(r'[\w\.-]+@[\w\.-]+\.\w+', text) | Extract emails từ text dùng regex pattern. | Merging dictionaries là common trong config management. | python | beginner | [
"regex",
"pattern-matching"
] | 3.9+ | [
"python",
"function",
"example"
] |
3a479b0f | # JSON Operations
def load_json(path):
with open(path) as f: return json.load(f) | Extract emails từ text dùng regex pattern. | Merging dictionaries là common trong config management. | python | intermediate | [
"json",
"file-io"
] | 3.9+ | [
"python",
"function",
"example"
] |
cad6ec38 | def save_json(path, data):
with open(path, 'w') as f: json.dump(data, f) | Extract emails từ text dùng regex pattern. | Merging dictionaries là common trong config management. | python | advanced | [
"io",
"file-operations"
] | 3.9+ | [
"python",
"function",
"example"
] |
ef872a01 | # File I/O
def read_file(path):
with open(path) as f: return f.read() | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | beginner | [
"file-io",
"context-manager"
] | 3.9+ | [
"python",
"function",
"example"
] |
c75c0c9c | def write_file(path, content):
with open(path, 'w') as f: f.write(content) | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | intermediate | [
"list-processing",
"data-structures"
] | 3.9+ | [
"python",
"function",
"example"
] |
3f45dddc | # Data Processing
def process_data(items):
return [x.strip().lower() for x in items if x] | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | advanced | [
"string",
"text-processing"
] | 3.9+ | [
"python",
"function",
"example"
] |
c7701517 | def group_by_key(items, key):
result = {}
for item in items:
k = item.get(key)
if k not in result: result[k] = []
result[k].append(item)
return result | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | beginner | [
"grouping",
"dict"
] | 3.9+ | [
"python",
"function",
"example"
] |
36154196 | # String Operations
def reverse_words(text):
return ' '.join(text.split()[::-1]) | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | intermediate | [
"string",
"manipulation"
] | 3.9+ | [
"python",
"function",
"example"
] |
00598c4a | def count_chars(text):
return {c: text.count(c) for c in set(text)} | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | advanced | [
"dict",
"counting"
] | 3.9+ | [
"python",
"function",
"example"
] |
5ad7e7cf | # Lists & Dicts
def flatten(nested):
return [item for sublist in nested for item in sublist] | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | beginner | [
"list",
"flattening"
] | 3.9+ | [
"python",
"function",
"example"
] |
e6dbbb6d | def merge_dicts(*dicts):
return {k:v for d in dicts for k,v in d.items()} | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | intermediate | [
"dict",
"merging"
] | 3.9+ | [
"python",
"function",
"example"
] |
827df0f5 | # Error Handling
def safe_int(value, default=0):
try: return int(value)
except: return default | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | advanced | [
"error-handling",
"type-conversion"
] | 3.9+ | [
"python",
"function",
"example"
] |
ec925f25 | # Algorithms
def fibonacci(n):
if n <= 1: return n
return fibonacci(n-1) + fibonacci(n-2) | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | beginner | [
"recursion",
"algorithm"
] | 3.9+ | [
"python",
"function",
"example"
] |
8502952f | def is_prime(n):
return n > 1 and all(n % i for i in range(2, int(n**0.5)+1)) | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | intermediate | [
"algorithm",
"math"
] | 3.9+ | [
"python",
"function",
"example"
] |
5071e379 | # OOP
class BaseModel:
def __init__(self, **kwargs):
self.__dict__.update(kwargs)
def to_dict(self):
return self.__dict__ | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | advanced | [
"class",
"oop"
] | 3.9+ | [
"python",
"function",
"example"
] |
3f8b1f9b | # Decorators
def log_calls(func):
def wrapper(*args, **kwargs):
print(f"Calling {func.__name__}")
return func(*args, **kwargs)
return wrapper | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | beginner | [
"decorator",
"function"
] | 3.9+ | [
"python",
"function",
"example"
] |
1e9daae1 | # Working with APIs
def fetch_data(url):
import requests
return requests.get(url).json() | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | intermediate | [
"api",
"http"
] | 3.9+ | [
"python",
"function",
"example"
] |
41c706d7 | # Regular Expressions
def extract_emails(text):
import re
return re.findall(r'[\w\.-]+@[\w\.-]+\.\w+', text) | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | advanced | [
"regex",
"pattern-matching"
] | 3.9+ | [
"python",
"function",
"example"
] |
4930e837 | # JSON Operations
def load_json(path):
with open(path) as f: return json.load(f) | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | beginner | [
"json",
"file-io"
] | 3.9+ | [
"python",
"function",
"example"
] |
0aba8a92 | def save_json(path, data):
with open(path, 'w') as f: json.dump(data, f) | Load JSON từ file. Trả về parsed object. | Merging dictionaries là common trong config management. | python | intermediate | [
"io",
"file-operations"
] | 3.9+ | [
"python",
"function",
"example"
] |
273b60b3 | # File I/O
def read_file(path):
with open(path) as f: return f.read() | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | advanced | [
"file-io",
"context-manager"
] | 3.9+ | [
"python",
"function",
"example"
] |
7a3720b2 | def write_file(path, content):
with open(path, 'w') as f: f.write(content) | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | beginner | [
"list-processing",
"data-structures"
] | 3.9+ | [
"python",
"function",
"example"
] |
cd6601ea | # Data Processing
def process_data(items):
return [x.strip().lower() for x in items if x] | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | intermediate | [
"string",
"text-processing"
] | 3.9+ | [
"python",
"function",
"example"
] |
7cea2512 | def group_by_key(items, key):
result = {}
for item in items:
k = item.get(key)
if k not in result: result[k] = []
result[k].append(item)
return result | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | advanced | [
"grouping",
"dict"
] | 3.9+ | [
"python",
"function",
"example"
] |
2656c71c | # String Operations
def reverse_words(text):
return ' '.join(text.split()[::-1]) | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | beginner | [
"string",
"manipulation"
] | 3.9+ | [
"python",
"function",
"example"
] |
dc63bdf6 | def count_chars(text):
return {c: text.count(c) for c in set(text)} | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | intermediate | [
"dict",
"counting"
] | 3.9+ | [
"python",
"function",
"example"
] |
a963f87f | # Lists & Dicts
def flatten(nested):
return [item for sublist in nested for item in sublist] | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | advanced | [
"list",
"flattening"
] | 3.9+ | [
"python",
"function",
"example"
] |
15abbbd3 | def merge_dicts(*dicts):
return {k:v for d in dicts for k,v in d.items()} | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | beginner | [
"dict",
"merging"
] | 3.9+ | [
"python",
"function",
"example"
] |
14f6d2e1 | # Error Handling
def safe_int(value, default=0):
try: return int(value)
except: return default | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | intermediate | [
"error-handling",
"type-conversion"
] | 3.9+ | [
"python",
"function",
"example"
] |
0ba98a51 | # Algorithms
def fibonacci(n):
if n <= 1: return n
return fibonacci(n-1) + fibonacci(n-2) | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | advanced | [
"recursion",
"algorithm"
] | 3.9+ | [
"python",
"function",
"example"
] |
e854f727 | def is_prime(n):
return n > 1 and all(n % i for i in range(2, int(n**0.5)+1)) | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | beginner | [
"algorithm",
"math"
] | 3.9+ | [
"python",
"function",
"example"
] |
8951f294 | # OOP
class BaseModel:
def __init__(self, **kwargs):
self.__dict__.update(kwargs)
def to_dict(self):
return self.__dict__ | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | intermediate | [
"class",
"oop"
] | 3.9+ | [
"python",
"function",
"example"
] |
c0b29aec | # Decorators
def log_calls(func):
def wrapper(*args, **kwargs):
print(f"Calling {func.__name__}")
return func(*args, **kwargs)
return wrapper | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | advanced | [
"decorator",
"function"
] | 3.9+ | [
"python",
"function",
"example"
] |
a4519622 | # Working with APIs
def fetch_data(url):
import requests
return requests.get(url).json() | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | beginner | [
"api",
"http"
] | 3.9+ | [
"python",
"function",
"example"
] |
6b4decd4 | # Regular Expressions
def extract_emails(text):
import re
return re.findall(r'[\w\.-]+@[\w\.-]+\.\w+', text) | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | intermediate | [
"regex",
"pattern-matching"
] | 3.9+ | [
"python",
"function",
"example"
] |
e9fe0100 | # JSON Operations
def load_json(path):
with open(path) as f: return json.load(f) | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | advanced | [
"json",
"file-io"
] | 3.9+ | [
"python",
"function",
"example"
] |
9810266a | def save_json(path, data):
with open(path, 'w') as f: json.dump(data, f) | Save data thành JSON file. | Merging dictionaries là common trong config management. | python | beginner | [
"io",
"file-operations"
] | 3.9+ | [
"python",
"function",
"example"
] |
c5c98013 | # File I/O
def read_file(path):
with open(path) as f: return f.read() | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | intermediate | [
"file-io",
"context-manager"
] | 3.9+ | [
"python",
"function",
"example"
] |
43c241b3 | def write_file(path, content):
with open(path, 'w') as f: f.write(content) | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | advanced | [
"list-processing",
"data-structures"
] | 3.9+ | [
"python",
"function",
"example"
] |
bebb930b | # Data Processing
def process_data(items):
return [x.strip().lower() for x in items if x] | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | beginner | [
"string",
"text-processing"
] | 3.9+ | [
"python",
"function",
"example"
] |
04bcb158 | def group_by_key(items, key):
result = {}
for item in items:
k = item.get(key)
if k not in result: result[k] = []
result[k].append(item)
return result | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | intermediate | [
"grouping",
"dict"
] | 3.9+ | [
"python",
"function",
"example"
] |
59783742 | # String Operations
def reverse_words(text):
return ' '.join(text.split()[::-1]) | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | advanced | [
"string",
"manipulation"
] | 3.9+ | [
"python",
"function",
"example"
] |
ba8c8e6f | def count_chars(text):
return {c: text.count(c) for c in set(text)} | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | beginner | [
"dict",
"counting"
] | 3.9+ | [
"python",
"function",
"example"
] |
d5fb05b8 | # Lists & Dicts
def flatten(nested):
return [item for sublist in nested for item in sublist] | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | intermediate | [
"list",
"flattening"
] | 3.9+ | [
"python",
"function",
"example"
] |
bdbb0255 | def merge_dicts(*dicts):
return {k:v for d in dicts for k,v in d.items()} | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | advanced | [
"dict",
"merging"
] | 3.9+ | [
"python",
"function",
"example"
] |
88b68e88 | # Error Handling
def safe_int(value, default=0):
try: return int(value)
except: return default | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | beginner | [
"error-handling",
"type-conversion"
] | 3.9+ | [
"python",
"function",
"example"
] |
777e5b78 | # Algorithms
def fibonacci(n):
if n <= 1: return n
return fibonacci(n-1) + fibonacci(n-2) | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | intermediate | [
"recursion",
"algorithm"
] | 3.9+ | [
"python",
"function",
"example"
] |
dd38ab97 | def is_prime(n):
return n > 1 and all(n % i for i in range(2, int(n**0.5)+1)) | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | advanced | [
"algorithm",
"math"
] | 3.9+ | [
"python",
"function",
"example"
] |
a8b00d98 | # OOP
class BaseModel:
def __init__(self, **kwargs):
self.__dict__.update(kwargs)
def to_dict(self):
return self.__dict__ | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | beginner | [
"class",
"oop"
] | 3.9+ | [
"python",
"function",
"example"
] |
1d5812ca | # Decorators
def log_calls(func):
def wrapper(*args, **kwargs):
print(f"Calling {func.__name__}")
return func(*args, **kwargs)
return wrapper | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | intermediate | [
"decorator",
"function"
] | 3.9+ | [
"python",
"function",
"example"
] |
a89dc210 | # Working with APIs
def fetch_data(url):
import requests
return requests.get(url).json() | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | advanced | [
"api",
"http"
] | 3.9+ | [
"python",
"function",
"example"
] |
bf7db7f7 | # Regular Expressions
def extract_emails(text):
import re
return re.findall(r'[\w\.-]+@[\w\.-]+\.\w+', text) | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | beginner | [
"regex",
"pattern-matching"
] | 3.9+ | [
"python",
"function",
"example"
] |
ebbfb36f | # JSON Operations
def load_json(path):
with open(path) as f: return json.load(f) | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | intermediate | [
"json",
"file-io"
] | 3.9+ | [
"python",
"function",
"example"
] |
80f19488 | def save_json(path, data):
with open(path, 'w') as f: json.dump(data, f) | Hàm này đọc nội dung của file và trả về dưới dạng string. | Try-except pattern cho error handling. | python | advanced | [
"io",
"file-operations"
] | 3.9+ | [
"python",
"function",
"example"
] |
418c39af | # File I/O
def read_file(path):
with open(path) as f: return f.read() | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | beginner | [
"file-io",
"context-manager"
] | 3.9+ | [
"python",
"function",
"example"
] |
07d52902 | def write_file(path, content):
with open(path, 'w') as f: f.write(content) | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | intermediate | [
"list-processing",
"data-structures"
] | 3.9+ | [
"python",
"function",
"example"
] |
37c1c172 | # Data Processing
def process_data(items):
return [x.strip().lower() for x in items if x] | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | advanced | [
"string",
"text-processing"
] | 3.9+ | [
"python",
"function",
"example"
] |
fc644be5 | def group_by_key(items, key):
result = {}
for item in items:
k = item.get(key)
if k not in result: result[k] = []
result[k].append(item)
return result | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | beginner | [
"grouping",
"dict"
] | 3.9+ | [
"python",
"function",
"example"
] |
a46d62b5 | # String Operations
def reverse_words(text):
return ' '.join(text.split()[::-1]) | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | intermediate | [
"string",
"manipulation"
] | 3.9+ | [
"python",
"function",
"example"
] |
58b9d9fc | def count_chars(text):
return {c: text.count(c) for c in set(text)} | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | advanced | [
"dict",
"counting"
] | 3.9+ | [
"python",
"function",
"example"
] |
514d5714 | # Lists & Dicts
def flatten(nested):
return [item for sublist in nested for item in sublist] | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | beginner | [
"list",
"flattening"
] | 3.9+ | [
"python",
"function",
"example"
] |
80c6aed1 | def merge_dicts(*dicts):
return {k:v for d in dicts for k,v in d.items()} | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | intermediate | [
"dict",
"merging"
] | 3.9+ | [
"python",
"function",
"example"
] |
da2bd0d7 | # Error Handling
def safe_int(value, default=0):
try: return int(value)
except: return default | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | advanced | [
"error-handling",
"type-conversion"
] | 3.9+ | [
"python",
"function",
"example"
] |
1137054a | # Algorithms
def fibonacci(n):
if n <= 1: return n
return fibonacci(n-1) + fibonacci(n-2) | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | beginner | [
"recursion",
"algorithm"
] | 3.9+ | [
"python",
"function",
"example"
] |
b9000a20 | def is_prime(n):
return n > 1 and all(n % i for i in range(2, int(n**0.5)+1)) | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | intermediate | [
"algorithm",
"math"
] | 3.9+ | [
"python",
"function",
"example"
] |
bcb227a6 | # OOP
class BaseModel:
def __init__(self, **kwargs):
self.__dict__.update(kwargs)
def to_dict(self):
return self.__dict__ | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | advanced | [
"class",
"oop"
] | 3.9+ | [
"python",
"function",
"example"
] |
cf213d81 | # Decorators
def log_calls(func):
def wrapper(*args, **kwargs):
print(f"Calling {func.__name__}")
return func(*args, **kwargs)
return wrapper | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | beginner | [
"decorator",
"function"
] | 3.9+ | [
"python",
"function",
"example"
] |
a6d1e393 | # Working with APIs
def fetch_data(url):
import requests
return requests.get(url).json() | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | intermediate | [
"api",
"http"
] | 3.9+ | [
"python",
"function",
"example"
] |
10a13f24 | # Regular Expressions
def extract_emails(text):
import re
return re.findall(r'[\w\.-]+@[\w\.-]+\.\w+', text) | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | advanced | [
"regex",
"pattern-matching"
] | 3.9+ | [
"python",
"function",
"example"
] |
6aa56d32 | # JSON Operations
def load_json(path):
with open(path) as f: return json.load(f) | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | beginner | [
"json",
"file-io"
] | 3.9+ | [
"python",
"function",
"example"
] |
a4f88e07 | def save_json(path, data):
with open(path, 'w') as f: json.dump(data, f) | Ghi nội dung vào file. Context manager tự động đóng file. | Try-except pattern cho error handling. | python | intermediate | [
"io",
"file-operations"
] | 3.9+ | [
"python",
"function",
"example"
] |
79a920da | # File I/O
def read_file(path):
with open(path) as f: return f.read() | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | advanced | [
"file-io",
"context-manager"
] | 3.9+ | [
"python",
"function",
"example"
] |
7ee2810f | def write_file(path, content):
with open(path, 'w') as f: f.write(content) | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | beginner | [
"list-processing",
"data-structures"
] | 3.9+ | [
"python",
"function",
"example"
] |
fdbee936 | # Data Processing
def process_data(items):
return [x.strip().lower() for x in items if x] | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | intermediate | [
"string",
"text-processing"
] | 3.9+ | [
"python",
"function",
"example"
] |
e1d91de8 | def group_by_key(items, key):
result = {}
for item in items:
k = item.get(key)
if k not in result: result[k] = []
result[k].append(item)
return result | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | advanced | [
"grouping",
"dict"
] | 3.9+ | [
"python",
"function",
"example"
] |
3a7338f9 | # String Operations
def reverse_words(text):
return ' '.join(text.split()[::-1]) | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | beginner | [
"string",
"manipulation"
] | 3.9+ | [
"python",
"function",
"example"
] |
241c925f | def count_chars(text):
return {c: text.count(c) for c in set(text)} | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | intermediate | [
"dict",
"counting"
] | 3.9+ | [
"python",
"function",
"example"
] |
61fe6aa0 | # Lists & Dicts
def flatten(nested):
return [item for sublist in nested for item in sublist] | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | advanced | [
"list",
"flattening"
] | 3.9+ | [
"python",
"function",
"example"
] |
bdb6d6a4 | def merge_dicts(*dicts):
return {k:v for d in dicts for k,v in d.items()} | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | beginner | [
"dict",
"merging"
] | 3.9+ | [
"python",
"function",
"example"
] |
492b953e | # Error Handling
def safe_int(value, default=0):
try: return int(value)
except: return default | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | intermediate | [
"error-handling",
"type-conversion"
] | 3.9+ | [
"python",
"function",
"example"
] |
38f87b08 | # Algorithms
def fibonacci(n):
if n <= 1: return n
return fibonacci(n-1) + fibonacci(n-2) | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | advanced | [
"recursion",
"algorithm"
] | 3.9+ | [
"python",
"function",
"example"
] |
d76e49c8 | def is_prime(n):
return n > 1 and all(n % i for i in range(2, int(n**0.5)+1)) | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | beginner | [
"algorithm",
"math"
] | 3.9+ | [
"python",
"function",
"example"
] |
1ab8ffc0 | # OOP
class BaseModel:
def __init__(self, **kwargs):
self.__dict__.update(kwargs)
def to_dict(self):
return self.__dict__ | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | intermediate | [
"class",
"oop"
] | 3.9+ | [
"python",
"function",
"example"
] |
f3b01f66 | # Decorators
def log_calls(func):
def wrapper(*args, **kwargs):
print(f"Calling {func.__name__}")
return func(*args, **kwargs)
return wrapper | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | advanced | [
"decorator",
"function"
] | 3.9+ | [
"python",
"function",
"example"
] |
7444dd3c | # Working with APIs
def fetch_data(url):
import requests
return requests.get(url).json() | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | beginner | [
"api",
"http"
] | 3.9+ | [
"python",
"function",
"example"
] |
8c5e5ddc | # Regular Expressions
def extract_emails(text):
import re
return re.findall(r'[\w\.-]+@[\w\.-]+\.\w+', text) | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | intermediate | [
"regex",
"pattern-matching"
] | 3.9+ | [
"python",
"function",
"example"
] |
06433168 | # JSON Operations
def load_json(path):
with open(path) as f: return json.load(f) | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | advanced | [
"json",
"file-io"
] | 3.9+ | [
"python",
"function",
"example"
] |
78d75e84 | def save_json(path, data):
with open(path, 'w') as f: json.dump(data, f) | Xử lý danh sách: strip spaces, convert to lowercase, filter empty. | Try-except pattern cho error handling. | python | beginner | [
"io",
"file-operations"
] | 3.9+ | [
"python",
"function",
"example"
] |
68947a31 | # File I/O
def read_file(path):
with open(path) as f: return f.read() | Nhóm items theo key. Tạo dictionary với key là group, value là list. | Try-except pattern cho error handling. | python | intermediate | [
"file-io",
"context-manager"
] | 3.9+ | [
"python",
"function",
"example"
] |
f81e2cf5 | def write_file(path, content):
with open(path, 'w') as f: f.write(content) | Nhóm items theo key. Tạo dictionary với key là group, value là list. | Try-except pattern cho error handling. | python | advanced | [
"list-processing",
"data-structures"
] | 3.9+ | [
"python",
"function",
"example"
] |
9ba8d1a4 | # Data Processing
def process_data(items):
return [x.strip().lower() for x in items if x] | Nhóm items theo key. Tạo dictionary với key là group, value là list. | Try-except pattern cho error handling. | python | beginner | [
"string",
"text-processing"
] | 3.9+ | [
"python",
"function",
"example"
] |
6f1af19f | def group_by_key(items, key):
result = {}
for item in items:
k = item.get(key)
if k not in result: result[k] = []
result[k].append(item)
return result | Nhóm items theo key. Tạo dictionary với key là group, value là list. | Try-except pattern cho error handling. | python | intermediate | [
"grouping",
"dict"
] | 3.9+ | [
"python",
"function",
"example"
] |
cf803222 | # String Operations
def reverse_words(text):
return ' '.join(text.split()[::-1]) | Nhóm items theo key. Tạo dictionary với key là group, value là list. | Try-except pattern cho error handling. | python | advanced | [
"string",
"manipulation"
] | 3.9+ | [
"python",
"function",
"example"
] |
b51c91ef | def count_chars(text):
return {c: text.count(c) for c in set(text)} | Nhóm items theo key. Tạo dictionary với key là group, value là list. | Try-except pattern cho error handling. | python | beginner | [
"dict",
"counting"
] | 3.9+ | [
"python",
"function",
"example"
] |
2c79c99a | # Lists & Dicts
def flatten(nested):
return [item for sublist in nested for item in sublist] | Nhóm items theo key. Tạo dictionary với key là group, value là list. | Try-except pattern cho error handling. | python | intermediate | [
"list",
"flattening"
] | 3.9+ | [
"python",
"function",
"example"
] |
3217410a | def merge_dicts(*dicts):
return {k:v for d in dicts for k,v in d.items()} | Nhóm items theo key. Tạo dictionary với key là group, value là list. | Try-except pattern cho error handling. | python | advanced | [
"dict",
"merging"
] | 3.9+ | [
"python",
"function",
"example"
] |
f6d383cf | # Error Handling
def safe_int(value, default=0):
try: return int(value)
except: return default | Nhóm items theo key. Tạo dictionary với key là group, value là list. | Try-except pattern cho error handling. | python | beginner | [
"error-handling",
"type-conversion"
] | 3.9+ | [
"python",
"function",
"example"
] |
d754d37e | # Algorithms
def fibonacci(n):
if n <= 1: return n
return fibonacci(n-1) + fibonacci(n-2) | Nhóm items theo key. Tạo dictionary với key là group, value là list. | Try-except pattern cho error handling. | python | intermediate | [
"recursion",
"algorithm"
] | 3.9+ | [
"python",
"function",
"example"
] |
b39a2d34 | def is_prime(n):
return n > 1 and all(n % i for i in range(2, int(n**0.5)+1)) | Nhóm items theo key. Tạo dictionary với key là group, value là list. | Try-except pattern cho error handling. | python | advanced | [
"algorithm",
"math"
] | 3.9+ | [
"python",
"function",
"example"
] |
03b3bf13 | # OOP
class BaseModel:
def __init__(self, **kwargs):
self.__dict__.update(kwargs)
def to_dict(self):
return self.__dict__ | Nhóm items theo key. Tạo dictionary với key là group, value là list. | Try-except pattern cho error handling. | python | beginner | [
"class",
"oop"
] | 3.9+ | [
"python",
"function",
"example"
] |
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