Python Interviews: Difference between revisions

10.0//7 = 1.0

 

List is mutable while the Tuple is not.

A tuple is allowed to be hashed. E.g: using it as a key for dictionaries.

Tuple: b = (1,4,8)

 

Def can hold multiple expressions while lambda is a uni-expression function.

Def generates a function and designates a name to call it later. Lambda forms a function object and returns it.

Lambda supports to get used inside a list and dictionary.

 

* Optional statements possible inside a try-except block:

“else” clause: It is useful if you want to run a piece of code when the try block doesn’t create an exception.

“finally” clause: It is useful when you want to execute some steps which run, irrespective of whether there occurs an exception or not.

 

 

Insert integer at position 5 at position 0:

print(max(b))

 

>>> a = [1,2,3,45,6,7]

>>> a

1409902629973635913

 

 

You are given a polynomial of a single indeterminate (or variable), .

</pre>

 

<pre>

def swap_case(s):

</pre>

 

<pre>

>>> input ="1 2 3 4 -8 -10"

 

>>> arr

['1', '2', '3', '4', '-8', '-10']