Getting one value from a tuple
Is there a way to get one value from a tuple in Python using expressions? def tup(): return (3, “hello”) i = 5 … Read more
tuples
Convert a namedtuple into a dictionary
I have a named tuple class in python class Town(collections.namedtuple(‘Town’, [ ‘name’, ‘population’, ‘coordinates’, ‘population’, ‘capital’, ‘state_bird’])): # … I’d like to convert … Read more
How to form tuple column from two columns in Pandas
I’ve got a Pandas DataFrame and I want to combine the ‘lat’ and ‘long’ columns to form a tuple. <class ‘pandas.core.frame.DataFrame’> Int64Index: 205482 … Read more
Why can tuples contain mutable items?
If a tuple is immutable then why can it contain mutable items? It is seemingly a contradiction that when a mutable item such … Read more
What’s the difference between lists enclosed by square brackets and parentheses in Python?
>>> x=[1,2] >>> x[1] 2 >>> x=(1,2) >>> x[1] 2 Are they both valid? Is one preferred for some reason? 7 Answers 7
Python add item to the tuple
I have some object.ID-s which I try to store in the user session as tuple. When I add first one it works but … Read more
What is the inverse function of zip in python? [duplicate]
This question already has answers here: Closed 9 years ago. Possible Duplicate: A Transpose/Unzip Function in Python I’ve used the zip() function from … Read more
How does tuple comparison work in Python?
I have been reading the Core Python programming book, and the author shows an example like: (4, 5) < (3, 5) # Equals … Read more
How to convert comma-delimited string to list in Python?
Given a string that is a sequence of several values separated by a commma: mStr=”A,B,C,D,E” How do I convert the string to a … Read more
Unpacking a list / tuple of pairs into two lists / tuples
Possible Duplicate: A Transpose/Unzip Function in Python I have a list that looks like this: list = ((‘1′,’a’),(‘2′,’b’),(‘3′,’c’),(‘4′,’d’)) I want to separate the … Read more