Practice
Filter Pass Marks to a File
HARDFile Handling10 marks
File I/O question —
marks.txt is pre-loaded for you during grading.The file marks.txt contains integer marks, one per line. Copy every mark that is 50 or more into a new file pass.txt. Then output Passes: <count> followed by each passing mark (read back from pass.txt).
Input: None (data is already in the file). Output: The pass count, then each passing mark.
Example:
Output: Passes: 3
50
72
90
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Sample Test Cases
Test 1: Three passes including the boundary 50
marks.txt
45 50 72 33 90
Expected: Passes: 3
50
72
90
Test 2: No mark reaches 50
marks.txt
0 20 49
Expected: Passes: 0