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|
```python
def foo() -> int :
return x ** 2
x = foo( 2 )
print(x) # 5
def foo( x : str, y : int ) -> str :
...........
name = input('Ведите имя:') # - всегда строка!
print(dir(name)) # - вывод атрибутов
# ['__add__', '__class__', '__contains__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getnewargs__', '__getstate__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__iter__', '__le__', '__len__', '__lt__', '__mod__', '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__rmod__', '__rmul__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', 'capitalize', 'casefold', 'center', 'count', 'encode', 'endswith', 'expandtabs', 'find', 'format', 'format_map', 'index', 'isalnum', 'isalpha', 'isascii', 'isdecimal', 'isdigit', 'isidentifier', 'islower', 'isnumeric', 'isprintable', 'isspace', 'istitle', 'isupper', 'join', 'ljust', 'lower', 'lstrip', 'maketrans', 'partition', 'removeprefix', 'removesuffix', 'replace', 'rfind', 'rindex', 'rjust', 'rpartition', 'rsplit', 'rstrip', 'split', 'splitlines', 'startswith', 'strip', 'swapcase', 'title', 'translate', 'upper', 'zfill']
#
```
```python
# собираем все параметры в кортеж:
def sum_nums(*args):
print(args)
print(type(args))
print(args[0])
return sum(args)
print(sum_nums(2, 3, 7))
```
```python
# аргументы с ключевыми словами - порядок не важен:
def get_post_info(name, post_qty):
info = f"{name} wrote {post_qty} posts"
return info
info = get_post_info(name='Vlapa', post_qty=50)
print(info)
```
```python
# объединение аргументов в DICT (только именованные):
def get_post_info(**person):
print(person)
print(type(person))
info = (
f"{person['name']} wrote "
f"{person['post_qty']} posts"
)
return info
info = get_post_info(name='Vlapa', post_qty=50)
print(info)
```
```python
# значение по умолчанию:
def mult_by(value, multiplier=1):
return value * multiplier
print(mult_by(10, 2))
print(mult_by(5))
```
```python
#
from datetime import date
def get_weekday():
return date.today().strftime('%A')
def create_new_post(post, weekday=get_weekday()):
post_copy = post.copy()
post_copy['created_on_weekday'] = weekday
return post_copy
initial_post = {
'id': 234,
'author': 'Vlapa',
}
post_with_weekday = create_new_post(initial_post)
```
```python
# callback function
def print_number_info(num):
"""
Print num information
Args:
num (int): Integer number
"""
if (num % 2) == 0:
print("Число четное")
else:
print("Число НЕ четное")
def print_square_num(num):
print("Square of the num is", num * num)
def process_number(num, callback_fn):
callback_fn(num)
entered_num = int(input("Введите любое целое число: "))
process_number(entered_num, print_number_info)
process_number(entered_num, print_square_num)
```
```python
print(dir()) # все переменные области
```
```python
def greeting(greet):
return lambda name: f"{greet}, {name}!"
# def info(name):
# return f"{greet}, {name}!"
# return info
morning_greeting = greeting("Good Morning")
print(morning_greeting('Vlapa'))
evening_greeting = greeting("Good Evening")
print(evening_greeting('Vlapa'))
```
======================================================
### Голобурдин:
```python
def chain_sum0(number):
result = number
def wrapper(number2=None):
nonlocal result
if number2 is None:
return result
result += number2
return wrapper
return wrapper
def chain_sum00(number):
result = number
def wrapper(number2=None):
nonlocal result
try:
number2 = int(number2)
except TypeError:
return result
result += number2
return wrapper
return wrapper
def chain_sum(number):
def wrapper(number2=None):
def inner():
wrapper.result += number2
return wrapper
logic = {
type(None): lambda: wrapper.result,
int: inner
}
return logic[type(number2)]()
wrapper.result = number
return wrapper
print(chain_sum(5)())
print(chain_sum(5)(2)())
print(chain_sum(5)(100)(-10)())
```
|
