# SAMPLE

<figure><img src="https://lh7-us.googleusercontent.com/slidesz/AGV_vUdVdtNQjdiwn9lt_SrQ2lbxXOsFPlMpUWXi-PZLHTF77oz3TEwQqi0DxegLC4-cWi4NJK5Ev2SN2KjoxN_HZ1VCWIJgbkt-qVIiexTwrjEngklt2QIB_o6oOLUTvzI8nATuUFjEqjsEIZdiy2xxAAzYqQ3uPNA=s2048?key=npIi8zOHIy81LrwrrhJT2w" alt=""><figcaption></figcaption></figure>

**Start With**: If the input text begins with the assigned "Hello," the output will be 1 when "Hello" is received.

**End With**: If the input text ends with the assigned "My friend," the output will be 1; otherwise, it will be 0.

**Upper Case**: Converts all letters of the incoming expression to uppercase, outputting "WELCOME MY FRIEND."

**Lower Case**: Converts all letters of the incoming expression to lowercase, outputting "welcome my friend."

**Replace**: Replaces "Welcome" with "Hi" in the input, so "Hi friend" is sent to the output.

**Substring**: Extracts the characters from positions 0 to 6 of the incoming expression, outputting "Hoşgel."

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