python:dierbach:chapter_1_python_first_steps
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python:dierbach:chapter_1_python_first_steps [2016/07/28 02:23] – [Define the problem] mithat | python:dierbach:chapter_1_python_first_steps [2016/07/28 03:32] – mithat | ||
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~~SLIDESHOW~~ | ~~SLIDESHOW~~ | ||
+ | ~~NOTOC~~ | ||
====== Python first steps ====== | ====== Python first steps ====== | ||
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* Syntax is easy to read. | * Syntax is easy to read. | ||
- | * Interpreted | + | * Interpreted |
+ | * Can be executed interactively. | ||
* Huge community. | * Huge community. | ||
* Lots of support. | * Lots of support. | ||
Line 15: | Line 17: | ||
===== IDLE ===== | ===== IDLE ===== | ||
- | * IDLE is Python' | + | * [[https:// |
* Good for starting to learn Python. | * Good for starting to learn Python. | ||
* Many [[https:// | * Many [[https:// | ||
Line 97: | Line 99: | ||
===== Using IDLE to develop a program ===== | ===== Using IDLE to develop a program ===== | ||
- | * Create a new program file with //File > New File// or // | + | * Create a new program file with //File > New File// or // |
- | * Write code: | + | * Write some code: |
<code python> | <code python> | ||
name = input(' | name = input(' | ||
Line 157: | 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 ===== | ||
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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 266: | Line 278: | ||
</ | </ | ||
- | Success. | + | Success. But we can do better... |
+ | |||
+ | ===== Code the solution (last time!) ===== | ||
+ | |||
+ | <code python> | ||
+ | # 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 ===== |
python/dierbach/chapter_1_python_first_steps.txt · Last modified: 2016/07/28 04:26 by mithat