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Commit 3443334

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Merge pull request #112 from josemoracard/jose3-02-Loop-list
exercises 02-loop-list to 05.1-sum_odd_items
2 parents e10e543 + 12b4e8f commit 3443334

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‎exercises/02-Loop-list/README.es.md‎

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# `02` Loop a list
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# `02` Loop list
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## 📝 Instrucciones:
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1. Imprimir todos los elementos en la consola, en lugar de solo un elemento de la lista.
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```py
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Tendrás que iterar a lo largo de la lista entera usando un bucle `for`.
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```
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> Tendrás que iterar a lo largo de la lista entera usando un bucle `for`.
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## 💡 Pista:
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+ Si tu objetivo es imprimir cada elemento, que es una tarea repetitiva, podemos usar un bucle. Piensa, por cada item(`each_item`) de `my_list`, ¿Qué queremos? Podemos hacer la referencia a cada item usando `each_item` y ejecutar cualquier operación que queramos en cada iteración.
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## Resultado esperado:
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## 💻 Resultado esperado:
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```py
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‎exercises/02-Loop-list/README.md‎

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# `02` Loop list
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## 📝Instructions:
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## 📝Instructions:
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1. Print all of the elements in the console, instead of just the single value of the list.
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1. Print all the elements in the console instead of just a single value of the list.
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```py
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You will have to loop through the whole array using a for loop.
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```
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## 💡 Hint:
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> You will have to loop through the whole array using a `for` loop.
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## 💡 Hint:
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+ If our goal is to print every item, which is a repetitive task, we can use a loop. Think, for `each_item` in `my_list`, what do we want? We can then use the namespace reference to each item by using `each_item` and perform any operations we want upon each iteration.
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## Expected result:
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## 💻 Expected result:
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```py
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‎exercises/02-Loop-list/app.py‎

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my_list = [232,32,1,4,55,4,3,32,3,24,5,5,5,34,2,35,5365743,52,34,3,55]
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#Your code go here:
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print(my_list[0])
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#Your code here
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print(my_list[0])
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my_list = [232,32,1,4,55,4,3,32,3,24,5,5,5,34,2,35,5365743,52,34,3,55]
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# Your code here
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for item in my_list:
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print(item)

‎exercises/02-Loop-list/test.py‎

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import io, sys, pytest, os, re
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path = os.path.dirname(os.path.abspath(__file__))+'/app.py'
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@pytest.mark.it("Print the all items from the list")
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@pytest.mark.it("Print all items from the list")
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def test_output(capsys, app):
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app()
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captured = capsys.readouterr()

‎exercises/02.1-Loop-from-the-top/README.es.md‎

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# `02.1` Loop from the top
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# `02.1` Loop from the end
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```py
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Este bucle es `iterando` la lista de principio a fin... incrementando uno a uno.
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```
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Este bucle está iterando la lista de principio a fin, incrementando uno en uno.
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## 📝 Instrucciones:
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1. Vamos a intentar iterar desde el fin hasta el principio.
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## Resultado esperado:
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## 💻 Resultado esperado:
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```js
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```
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```

‎exercises/02.1-Loop-from-the-top/README.md‎

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tutorial: "https://www.youtube.com/watch?v=tFCstq-Us3I"
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---
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# `02.1` Loop from the top
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# `02.1` Loop from the end
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```py
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This loop is `looping` the list from beginning to end... increasing one by one.
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```
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This loop is *looping* the list from beginning to end, increasing one by one.
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## 📝Instructions::
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## 📝Instructions:
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1. Lets try looping from the end to the beginning.
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1. Let's try looping from the end to the beginning.
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## Expected result:
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## 💻 Expected result:
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```py
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my_sample_list = [3423,5,4,47889,654,8,867543,23,48,56432,55,23,25,12]
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# The magic pass below:
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# Create a variable, like "i", that uses the last index position in the array "my_sample_list". Remember we can access the length property of an array using len, and that the position will always be 1 less than the item number (item one is index 0, item 5653 would be one less...)
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# Modify the loop below to print from end to start
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# You can now use the variable holding the last position to iterate until you get to the first position- which will always be 0. Create a for loop using that variable, make sure the value of the variable is modified on each iteration of the loop.
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# while some_variable_reference > 0:
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# print(my_sample_list[some_variable_reference])
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# chage after doing what we wanted, change the variables value so that the next pass it references the new index position
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for i in range(0, len(my_sample_list)):
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print(my_sample_list[i])
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my_sample_list = [3423,5,4,47889,654,8,867543,23,48,56432,55,23,25,12]
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# Modify the loop below to print from end to start
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for i in range(len(my_sample_list) - 1, -1, -1):
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print(my_sample_list[i])

‎exercises/02.1-Loop-from-the-top/test.py‎

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captured = capsys.readouterr()
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assert "12\n25\n23\n55\n56432\n48\n23\n867543\n8\n654\n47889\n4\n5\n3423\n" in captured.out
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@pytest.mark.it("Use the while loop")
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@pytest.mark.it("Use the for loop")
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def test_for_loop():
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with open(path, 'r') as content_file:
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content = content_file.read()
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regex = re.compile(r"while(\s)+[a-zA-Z\-_]+(\s)")
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regex = re.compile(r"for(\s)+[a-zA-Z\-_]+(\s)")
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assert bool(regex.search(content)) == True

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