| Server IP : 74.208.250.37 / Your IP : 216.73.216.114 Web Server : Apache/2.4.58 (Ubuntu) System : Linux ubuntu 6.8.0-124-generic #124-Ubuntu SMP PREEMPT_DYNAMIC Tue May 26 13:00:45 UTC 2026 x86_64 User : miferval ( 1000) PHP Version : 8.3.6 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : OFF Directory : /usr/lib/python3/dist-packages/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