22116 - Recent changes [en]

22116 - Recent changes [en] https://teaching.healthtech.dtu.dk:443/22116/index.php/Special:RecentChanges Track the most recent changes to the wiki in this feed. en MediaWiki 1.41.0 Sun, 04 Oct 2026 17:04:25 GMT Programme https://teaching.healthtech.dtu.dk:443/22116/index.php?title=Programme&diff=353&oldid=316 https://teaching.healthtech.dtu.dk:443/22116/index.php?title=Programme&diff=353&oldid=316 <p></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:15, 1 October 2026</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l6">Line 6:</td> <td colspan="2" class="diff-lineno">Line 6:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* 21/09 Lesson 4: [[String manipulation]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* 21/09 Lesson 4: [[String manipulation]]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* 28/09 Lesson 5: [[Exceptions and bug handling]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* 28/09 Lesson 5: [[Exceptions and bug handling]]</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* 05/10 Lesson 6: [[Stateful parsing]], [https://evaluering.dtu.dk/ Midterm evaluation] - part 1</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* 05/10 Lesson 6: [[Stateful parsing]], [https://evaluering.dtu.dk/ Midterm evaluation] - part 1<ins style="font-weight: bold; text-decoration: none;">. The evaluation is about the course, not you.</ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Fall holidays</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* Fall holidays</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* 19/10 Lesson 7 [[List manipulation]], [https://evaluering.dtu.dk/ Midterm evaluation] - part 2</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* 19/10 Lesson 7 [[List manipulation]], [https://evaluering.dtu.dk/ Midterm evaluation] - part 2</div></td></tr>  </table> Thu, 01 Oct 2026 09:15:19 GMT WikiSysop https://teaching.healthtech.dtu.dk:443/22116/index.php/Talk:Programme The path and simple file reading https://teaching.healthtech.dtu.dk:443/22116/index.php?title=The_path_and_simple_file_reading&diff=352&oldid=258 https://teaching.healthtech.dtu.dk:443/22116/index.php?title=The_path_and_simple_file_reading&diff=352&oldid=258 <p><span dir="auto"><span class="autocomment">Exercises to be handed in</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:41, 7 September 2026</td> </tr><tr><td colspan="4" class="diff-multi" lang="en">(One intermediate revision by the same user not shown)</td></tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l23">Line 23:</td> <td colspan="2" class="diff-lineno">Line 23:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Construct a program first asks for a file name and subsequently counts the number of lines in the input file, and displays the result. Try it with the file ''ex1.dat'', which you have put in the same folder as the program. Then you just give the file name and not the full path. There are 1675 lines.<br><br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Construct a program first asks for a file name and subsequently counts the number of lines in the input file, and displays the result. Try it with the file ''ex1.dat'', which you have put in the same folder as the program. Then you just give the file name and not the full path. There are 1675 lines.<br><br></div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># Have you wondered how the '''sum()''' function works? Wonder no longer. Make a Python program that sums numbers from ONE input file and displays the sum of the numbers. I have created 3 input files with the columns from ''ex1.dat''; ''ex1_1.dat'', ''ex1_2.dat'' & ''ex1_3.dat''. Use the 3 files as input ONE AT A TIME and see the sums. The sums are approx. Col 1; -904.4143, Col 2; 482.8410, Col 3; 292.05150 for the three columns. BTW, the file name can be the full path or a relative path if the file is not in the same folder as the program.<br><br></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Have you wondered how the '''sum()''' function works? Wonder no longer. Make a Python program that sums numbers from ONE input file and displays the sum of the numbers. I have created 3 input files with the columns from ''ex1.dat''; ''ex1_1.dat'', ''ex1_2.dat'' & ''ex1_3.dat''. Use the 3 files as input ONE AT A TIME and see the sums. The sums are approx. Col 1; -904.4143, Col 2; 482.8410, Col 3; 292.05150 for the three columns. BTW, the file name can be the full path or a relative path if the file is not in the same folder as the program<ins style="font-weight: bold; text-decoration: none;">.<br>To be clear, you do NOT use the sum function in this exercise - or the max in the next</ins>.<br><br></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Did you also wonder about the '''max()''' function? Make a program that finds the maximum number in a file. Display the result. This is quite tricky. Hint: The '''None''' built-in no-value could be useful. The max in ''ex1_1.dat'' is 10.4155.<br><br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Did you also wonder about the '''max()''' function? Make a program that finds the maximum number in a file. Display the result. This is quite tricky. Hint: The '''None''' built-in no-value could be useful. The max in ''ex1_1.dat'' is 10.4155.<br><br></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Ask for some input - it could be a word or a number or a sentence. Then ask for a file name - any file will do, but ''mixedlines.txt'' or ''ex5.acc'' are good. Now read the file and determine if one (or more) of the lines in the file matches your input precisely. Display "Match" or "No match" accordingly. Hint: A line from a file has a newline at the end, but using the '''input''' function does not result in this newline.<br>For extra difficulty, make the program only say "Match" or "No match" once, no matter how many matches there are. Make your own test file, with lots of the same number or word.<br><br></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Ask for some input - it could be a word or a number or a sentence. Then ask for a file name - any file will do, but ''mixedlines.txt'' or ''ex5.acc'' are good. Now read the file and determine if one (or more) of the lines in the file matches your input precisely. Display "Match" or "No match" accordingly. Hint: A line from a file has a newline at the end, but using the '''input''' function does not result in this newline.<br>For extra difficulty, make the program only say "Match" or "No match" once, no matter how many matches there are. Make your own test file, with lots of the same number or word.<br><br></div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div># Move or copy ''mixedlines.txt'' to some other folder for testing with this program. Write a program that asks for just a file name and then adds the full (or relative) path (stored in a variable like a constant) to the file name and then opens file and count the number of empty lines and non-empty lines in the file. Display the two counts. <br>Warning: Just because you can not see it, it does not mean it does not exists. Invisible characters have long been a curse of programmers. So do not make them yourself. Hint: ''mixedlines.txt'' has 19 empty lines and 66 non-empty lines.<br><br></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div># Move or copy ''mixedlines.txt'' to some other folder for testing with this program. <ins style="font-weight: bold; text-decoration: none;">You are not supposed to implement some kind of search file function, just use a relative or absolute path when you input the filename.<br></ins>Write a program that asks for just a file name and then adds the full (or relative) path (stored in a variable like a constant) to the file name and then opens file and count the number of empty lines and non-empty lines in the file. Display the two counts. <br>Warning: Just because you can not see it, it does not mean it does not exists. Invisible characters have long been a curse of programmers. So do not make them yourself. Hint: ''mixedlines.txt'' has 19 empty lines and 66 non-empty lines.<br><br></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Ask for a number - this is your target number. Now ask for a filename - ''ex1_1.dat'', ''ex1_2.dat'' & ''ex1_3.dat'' are good options. Open the file and compute two sums from the numbers in the file; the sum of the numbers that are higher than your target number and the sum of the numbers that are lower than your target number. Any number in the file that is equal to your target number is ignored. Display the result.<br>Using the file ''ex1_1.dat'' and the target number 0, the 2 sums are; -1523.1255 and 618.7112.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div># Ask for a number - this is your target number. Now ask for a filename - ''ex1_1.dat'', ''ex1_2.dat'' & ''ex1_3.dat'' are good options. Open the file and compute two sums from the numbers in the file; the sum of the numbers that are higher than your target number and the sum of the numbers that are lower than your target number. Any number in the file that is equal to your target number is ignored. Display the result.<br>Using the file ''ex1_1.dat'' and the target number 0, the 2 sums are; -1523.1255 and 618.7112.</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Exercises for extra practice ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Exercises for extra practice ==</div></td></tr> </table> Mon, 07 Sep 2026 12:41:41 GMT WikiSysop https://teaching.healthtech.dtu.dk:443/22116/index.php/Talk:The_path_and_simple_file_reading