Inside and Outside Bar@55

Explanation
Definition of Inside Bar:
Loose Definition: The high and low of the current candlestick are both within the high and low range of the previous candlestick.
Strict Definition: One extreme value (either high or low) of the current candlestick is equal to that of the previous candlestick, while the other extreme value falls within the range of the previous candlestick.
Definition of Outside Bar:
Loose Definition: The high of the current candlestick is higher than that of the previous candlestick, and the low of the current candlestick is lower than that of the previous candlestick.
Strict Definition: One extreme value (either high or low) of the current candlestick is equal to that of the previous candlestick, while the other extreme value breaks through the range of the previous candlestick.
plotshape Function: If an inside bar or outside bar is detected, the letter i (for inside bar) or o (for outside bar) will be displayed above the corresponding candlestick.
Parameters:
tightInside: When this toggle is enabled, the definition of an inside bar will be more strict, meaning one extreme value equals that of the previous candlestick and the other extreme value stays within the range of the previous candlestick.
tightOutside: When this toggle is enabled, the definition of an outside bar will be more strict, meaning one extreme value equals that of the previous candlestick and the other extreme value breaks through the range of the previous candlestick.