| Server IP : 68.178.202.69 / Your IP : 216.73.216.143 Web Server : Apache System : Linux 69.202.178.68.host.secureserver.net 3.10.0-1160.139.1.el7.tuxcare.els2.x86_64 #1 SMP Mon Nov 3 13:30:41 UTC 2025 x86_64 User : ikioworld ( 1005) PHP Version : 7.4.33 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /opt/python38/lib/python3.8/site-packages/pip/_vendor/rich/ |
Upload File : |
from typing import Iterable, Tuple, TypeVar
T = TypeVar("T")
def loop_first(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
"""Iterate and generate a tuple with a flag for first value."""
iter_values = iter(values)
try:
value = next(iter_values)
except StopIteration:
return
yield True, value
for value in iter_values:
yield False, value
def loop_last(values: Iterable[T]) -> Iterable[Tuple[bool, T]]:
"""Iterate and generate a tuple with a flag for last value."""
iter_values = iter(values)
try:
previous_value = next(iter_values)
except StopIteration:
return
for value in iter_values:
yield False, previous_value
previous_value = value
yield True, previous_value
def loop_first_last(values: Iterable[T]) -> Iterable[Tuple[bool, bool, T]]:
"""Iterate and generate a tuple with a flag for first and last value."""
iter_values = iter(values)
try:
previous_value = next(iter_values)
except StopIteration:
return
first = True
for value in iter_values:
yield first, False, previous_value
first = False
previous_value = value
yield first, True, previous_value