Copy a List
RYB_color = ["Red","Yellow",Blue"]
Example 1 Copy_RYB = RYB_color.copy()
Example 2 Copy_RYB = list(RYB_color)
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Join Two Lists
RYB_color = ["Red","Yellow",Blue"]
Second_color = ["Green","Orange","Purple"]
Example 1 RYB_Second = RYB_color.extend(Second_color)
Example 2 RYB_Second = RYB_color + Second_color
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The list() Constructor
RYB_color = list(("Red","Yellow",Blue"))
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Tuple
A tuple is a collection which is ordered and unchangeable. In Python tuples are written with round brackets. |
Tuple Example
RYB_color = ("Red","Yellow","Blue")
print(RYB_color)
>>>('Red','Yellow','Blue')
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Access Tuple Items
Same as access list items. Please check "Access list items" in "Python Lists - Part I" cheat sheet. |
Change Tuple Values
Since tuples are inchangeable, then we cannot change any value. But, we can convert a tuple to a list, change the values that we want within the list and convert the list back into a tuple. Example `RYB_color = ("Red","Yellow","Blue")
L = list(RYB_color)
L[0] = "Magenta"
RYB_color = tuple(X)
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Check if Item Exists
Same as checking item witin a list . Please check "Check if Item Exists" in "Python Lists - Part I" cheat sheet. |
Tuple Length
Same as list length. Please check "List Length" in "Python Lists - Part I" cheat sheet. |
Add Items
Once a tuple is created, we cannot add items to it. Tuples are unchangeable. |
Create Tuple With One Item
To create a tuple with only one item, we have add a comma after the item, unless Python will not recognize the variable as a tuple. |
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Remove Items
Tuples are unchangeable, so we cannot remove items from it, but we can delete the tuple completely. |
RYB_color = ("Red","Yellow","Blue")
del RYB_color
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Join Two Tuples
RYB_color = ("Red","Yellow","Blue")
Second_color = ("Orange","Green","Purple")
RYB_Second = RYB_color + Second_color
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The tuple() Constructor
RYB_color = tuple(("Red","Yellow","Blue")) |
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