डिफ़ॉल्ट और कीवर्ड तर्क

def greet(name, greeting='Hello'):
    print(f'{greeting}, {name}!')
greet('Alice')
greet('Bob', 'Hi')

def describe(name, age, city):
    print(f'{name}, {age}, {city}')
describe(age=30, city='NYC', name='Alice')

def f(a, b, c='default'):
    print(a, b, c)
f(1, c='X', b=2)

def append(x, lst=None):
    if lst is None:
        lst = []
    lst.append(x)
    return lst
print(append(1))
print(append(2))

def f(a, *, b):
    return a + b
print(f(1, b=2))

def f(a, b, /, c=0):
    return a + b + c
print(f(1, 2, c=3))

def show(**kwargs):
    for k, v in kwargs.items():
        print(f'{k}={v}')
show(name='Alice', age=30)

def debug(*args, **kwargs):
    print('args:', args)
    print('kwargs:', kwargs)
debug(1,2,x=3)

def add(a, b, c): return a+b+c
d = {'a':1,'b':2,'c':3}
print(add(**d))

from functools import partial
def power(base, exp): return base ** exp
square = partial(power, exp=2)
print(square(5))