def func(address):
print(address)
# OK
"OK"
# Error
"0.0.0.0"
'0.0.0.0'
f"0.0.0.0"
func("0.0.0.0")
def my_func():
x = "0.0.0.0"
print(x)
# Implicit string concatenation
"0.0.0.0" f"0.0.0.0{expr}0.0.0.0"