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Student Presence Check
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Student Presence Check

EasyPython

Problem

Write a program that prints YES if all students are present for the day, otherwise print NO.

Implement check_all_present(attendance), where attendance is a non-empty list of integers. Each value is 1 for present and 0 for absent. Return the string "YES" if every value is 1; otherwise return "NO". The function return value represents the required output.

Constraints

  • 1 <= len(attendance) <= 1000
  • Each attendance value is either 0 or 1
  • Return exactly "YES" or "NO"

Function Signature

def check_all_present(attendance):
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