What is the simple condition for a one one function?

A. different inputs give different outputs

Step 1: Identify the concept: this is one one function. Step 2: In a one one function two different inputs should not have the same output. Step 3: Remember one one means unique output for unique input.

Step 1: concept पहचानें: यह one one function है। Step 2: One one function में दो अलग inputs का same output नहीं होना चाहिए। Step 3: One one means unique output for unique input याद रखें।