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What do double parentheses mean in a function call? e.g. func(foo)(bar)
(3 answers)
What is first class function in Python
(8 answers)
Closed 29 days ago.
My question is to identify the role of ()().
c1 = conv... #omit to explain below c1 = tf.kears.layers.Dropout(0.1)(c1)
I know that the role of (c1) is input for next layer. However, I'm curious about other function of the syntax: ()() in other place.
Can you explain it similar to the role by using bracket after bracket?
Related
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Understanding the "is" operator [duplicate]
(11 answers)
Closed 9 months ago.
This post was edited and submitted for review 9 months ago and failed to reopen the post:
Original close reason(s) were not resolved
What is the difference between the is keyword and the == operator in Python? Why would a programmer need to use one over the other depending on the situation?
The == operator compares the value or equality of two objects, whereas the Python is operator checks whether two variables point to the same object in memory.
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What algorithm does Python's built-in sort() method use?
(2 answers)
What is `lambda` in Python code? How does it work with `key` arguments to `sorted`, `sum` etc.?
(4 answers)
Understanding the map function
(6 answers)
Closed 1 year ago.
I found the following line of code which I'm unable to google as it has a custom function. Can someone please explain this?
list.sort(key=lambda v: map(int, v.split('.')))
I know this sorts a list but I want to understand which sort is it and how it works.
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How to replace two things at once in a string?
(6 answers)
using .replace to replace more than one character in python [duplicate]
(4 answers)
Closed 2 years ago.
I have a question regarding my code below:
Input: A DNA string Pattern (ex: 'AAAACCCGGT')
Output: The complementary string (ex: 'TTTTGGGCCA')
def Complement(Pattern):
comPattern=Pattern.translate(str.maketrans({'A':'T','T':'A','G':'C','C':'G'}))
return comPattern
I tried using str.replace() method multiple times for above problem, but it did not work. Any idea why?
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What is the '#=' symbol for in Python?
(3 answers)
What does the "at" (#) symbol do in Python?
(14 answers)
Closed 3 years ago.
I have come across this code and I have seen this unusual operation:
return Xtrain # eigenvectors[:2]
Does anyone know what it does?
Python documentation says:
Matrix Multiplication
Operator
a # b
Function
matmul(a, b)
This question already has answers here:
What does `<>` mean in Python?
(5 answers)
Closed 8 years ago.
I just saw some code using the <> operator (don't know what this is called) instead of the != operator in Python. Is there any difference between the two or do they mean the same thing? What's the <> operator called? Thanks.
The <> operator is considered obsolete:
https://docs.python.org/2/reference/expressions.html#not-in