python3 match case

since python 3.10, it support switch and case. it even can check on type and value
def check(v):
match v:
case "1", "2":
print('both 1 2 is string')
case "1", 2:
print('1 is string 2 is int')
case a, b:
print(f'a={a}, b={b}')
case a:
print(f'a=a')
​
check(("1", "2"))
# both 1 2 is string
​
check(("1", 2))
# 1 is string 2 is int
​
check((1, None))
# a=1, b=None
​
check(1)
# a=a