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Which of the following is the correct way to call a function named read_adc to read from channel 2?

easy📝 Syntax Q12 of 15
Raspberry Pi - SPI Communication
Which of the following is the correct way to call a function named read_adc to read from channel 2?
Aread_adc[channel=2]
Bread_adc{2}
Cread_adc(2)
Dread_adc 2
Step-by-Step Solution
Solution:
  1. Step 1: Understand Python function call syntax

    Functions are called with parentheses and arguments inside, e.g., function_name(argument).
  2. Step 2: Apply to read_adc function

    To read channel 2, call read_adc(2). Other options use invalid syntax.
  3. Final Answer:

    read_adc(2) -> Option C
  4. Quick Check:

    Function call uses parentheses = read_adc(2) [OK]
Quick Trick: Use parentheses for function calls in Python [OK]
Common Mistakes:
MISTAKES
  • Using square brackets instead of parentheses
  • Using curly braces instead of parentheses
  • Omitting parentheses entirely

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