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| 184_notes:lists [2022/05/06 22:00] – woodsna1 | 184_notes:lists [2022/05/07 01:20] (current) – woodsna1 |
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| </code> | </code> |
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| To change the value in a bucket, simply use = to assign to it: | To change the value in a bucket, simply use "=" to assign to it: |
| <code> | <code> |
| list_of_numbers[0] = 250 # Change the first element | list_of_numbers[0] = 250 # Change the first element |
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| ===== Lists and For Loops ===== | ===== Lists and For Loops ===== |
| | ==== Lecture Video ==== |
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| | {{youtube>Rvpmo95XBNA?large}} |
| We often want to move through a list and read or change each value one-by-one. The easiest way to iterate through a list in Python is using a for loop. | We often want to move through a list and read or change each value one-by-one. The easiest way to iterate through a list in Python is using a for loop. |
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| index = 0 | index = 0 |
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| while index < len(list_of_numbers): | while index < len(list_of_numbers): # Conditional |
| list_of_numbers[index] += 1 | list_of_numbers[index] += 5 # Increase each number by 5 |
| index += 1 | index += 1 # Increment the counter variable |
| </code> | </code> |
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