python:dierbach:chapter_1_python_first_steps
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| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| python:dierbach:chapter_1_python_first_steps [2016/07/28 02:26] – [Using IDLE to develop a program] mithat | python:dierbach:chapter_1_python_first_steps [2016/07/28 04:26] (current) – [Document the solution] mithat | ||
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| Line 1: | Line 1: | ||
| ~~SLIDESHOW~~ | ~~SLIDESHOW~~ | ||
| + | ~~NOTOC~~ | ||
| ====== Python first steps ====== | ====== Python first steps ====== | ||
| Line 99: | Line 100: | ||
| * Create a new program file with //File > New File// or //Ctrl+N// (Linux and Windows). | * Create a new program file with //File > New File// or //Ctrl+N// (Linux and Windows). | ||
| - | * Write code: | + | * Write some code: |
| <code python> | <code python> | ||
| name = input(' | name = input(' | ||
| Line 158: | Line 159: | ||
| num_balloons = int(input(' | num_balloons = int(input(' | ||
| </ | </ | ||
| + | |||
| + | ===== More about print() ===== | ||
| + | * You can print more than one thing with '' | ||
| + | * Separate each thing with a comma. | ||
| + | <code python> | ||
| + | >>> | ||
| + | >>> | ||
| + | There are 99 balloons | ||
| + | </ | ||
| + | * Each " | ||
| ===== A slightly more substantial program ===== | ===== A slightly more substantial program ===== | ||
| Line 246: | Line 257: | ||
| Oops (again). | Oops (again). | ||
| - | ===== Code the solution (last time) ===== | + | ===== Code the solution (last time?) ===== |
| <file python exponent_calculator.py> | <file python exponent_calculator.py> | ||
| Line 267: | Line 278: | ||
| </ | </ | ||
| - | Success. | + | Success. But we can do better... |
| + | |||
| + | ===== Code the solution (last time!) ===== | ||
| + | |||
| + | <file python exponent_calculator.py> | ||
| + | # Exponent Calculator | ||
| + | # Exponent Calculator | ||
| + | # Calculate a base to an exponent' | ||
| + | # Mithat Konar | ||
| + | |||
| + | base = int(input(' | ||
| + | exponent = int(input(' | ||
| + | result = base ** exponent | ||
| + | print(base, 'to the power of', exponent, ' | ||
| + | </ | ||
| + | |||
| + | ===== Test the solution ===== | ||
| + | <code python> | ||
| + | >>> | ||
| + | >>> | ||
| + | >>> | ||
| + | </ | ||
| + | |||
| + | The code is easier to read and it still works. | ||
| ===== Document the solution ===== | ===== Document the solution ===== | ||
| Line 274: | Line 308: | ||
| * Writing out details of the problem. | * Writing out details of the problem. | ||
| * Writing out the design of the solution. | * Writing out the design of the solution. | ||
| - | * Using comments in the source code. | + | * Writing |
| * Do this. | * Do this. | ||
| * **Every. Single. Time.** | * **Every. Single. Time.** | ||
python/dierbach/chapter_1_python_first_steps.1469672775.txt.gz · Last modified: 2016/07/28 02:26 by mithat