Algorithms, functions, classes, regular expressions, iterators, generators, OOP, exceptions, NumPy, pandas, scikit-learn
https://telega.in/c/python_tasks
Questions — @dina_ladnyuk
Post #3141
622
PY @python_tasks
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def f(**kwargs):
return sum(kwargs.values())
print(f(a=1, b=2, c=3))
def update(d):
d = {"y": 0}
d["x"] = 5
data = {"x": 1}
update(data)
print(data.get("x"))
import sys
def who_am_i():
return sys._getframe(1).f_code.co_name
print(who_am_i())
import sys
def depth(n):
if n == 0:
return sys._getframe().f_back.f_code.co_name
return depth(n - 1)
print(depth(2))
import sys
def f():
frame = sys._getframe()
for _ in range(3):
print(frame.f_code.co_name, end=" ")
frame = frame.f_back
def g():
f()
def h():
g()
h()

import sys
def inner():
return sys._getframe(1).f_code.co_name
def outer():
return inner()
print(outer())
import sys
def foo():
frame = sys._getframe(0)
return frame.f_code.co_name
print(foo())
from functools import wraps
def deco(f):
@wraps(f)
def wrapper(*args, **kwargs):
"""wrapped"""
return f(*args, **kwargs)
return wrapper
@deco
def original():
"""original"""
pass
print(original.__name__, end =" ")
print(original.__doc__)
from typing import Callable, Optional
def apply(func: Optional[Callable[[int], int]], x: int) -> int:
if func:
return func(x)
return x
print(apply(lambda x: x * 2, 5), end = " ")
print(apply(None, 5))