I have a list of tuples with the pattern "id", "text", "language" like this:
a = [('1', 'hello', 'en'), ...]
I would like to increase number of tuple members to "id", "text", "language", "color":
b = [('1', 'hello', 'en', 'red'), ...]
What is the correct way of doing this?
Thank you.
Since a tuple is immutable you have to create new tuples. I assume you want to add this additional value to every tuple in the list.
a = [('1', 'hello', 'en'), ('2', 'hi', 'en')]
color = 'red'
a = [(x + (color,)) for x in a]
print(a)
The result is [('1', 'hello', 'en', 'red'), ('2', 'hi', 'en', 'red')].
If you have multiple colors in a list with as many entries as you have in your list with the tuples you can zip both sets of data.
a = [('1', 'hello', 'en'), ('2', 'hi', 'en'), ('3', 'oy', 'en')]
colors = ['red', 'green', 'blue']
a = [(x + (color,)) for x, color in zip(a, colors)]
print(a)
Now the result is
[('1', 'hello', 'en', 'red'), ('2', 'hi', 'en', 'green'), ('3', 'oy', 'en', 'blue')]
tuples are immutable so you cannot append(). If you want to add stuffs you should use python lists. Hope, that might help you!
You can convert the tuple to a list, change it, and then converting back to a tuple
a[0] = list(a[0])
a[0].append("red")
a[0] = tuple(a[0])
Just loop this for the entire list and it should work
