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python interview questions :61

What is a qualified/unqualified name in Python?

  • It is the path from top-level module down to the object itself.
  • See PEP 3155, Qualified name for classes and functions.
  • If you have a nested package named foo.bar.baz with a class Spam, the method ham on that class will have a fully qualified name of foo.bar.baz.Spam.ham. ham is the unqualified name.
  • A qualified name lets you re-import the exact same object, provided it is not an object that is private to a local (function) namespace.

python interview questions :62

Tic tac toe computer move?

This is the code of computer move in the game tic tac toe in python:

def computermove(board,computer,human):
    for movecom in legalmoves(board):
        if winner(board)==computer: 
            return movecom
    for movecom in legalmoves(board):
        if winner(board)==human:  
            return movecom
    while rmoves not in legalmoves(board):
    return rmoves

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python interview questions :63

Is There A Switch Or Case Statement In Python? If Not Then What Is The Reason For The Same?

  • No, Python does not have a Switch statement, but you can write a Switch function and then use it.

Learn python - python tutorial - python-switch-statement - python examples - python programs

python interview questions :64

What Is A Built-In Function That Python Uses To Iterate Over A Number Sequence?

  • The range() generates a list of numbers, which is used to iterate over for loops.

for i in range(5):
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  • The range() function accompanies two sets of parameters.


stop: It is the no. of integers to generate and starts from zero. eg.

range(3) == [0, 1, 2].
range([start], stop[, step])
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start: It is the starting no. of the sequence.

  • step: 1 It specifies the upper limit of the sequence.
  • step: 2 It is the incrementing factor for generating the sequence.

Points to note:

  • Only integer arguments are allowed.
  • Parameters can be positive or negative.

The <range()> function in Python starts from the zeroth index.

python interview questions :65

What Are The Optional Statements That Can Be Used Inside A <Try-Except> Block In Python?

  • There are two optional clauses you can use in the <try-except> block.

The <else> clause

  • It is useful if you want to run a piece of code when the try block doesn’t create any exception.

The <finally> clause

  • It is useful when you want to execute some steps which run, irrespective of whether there occurs an exception or not.

python interview questions :66

How Does The Ternary Operator Work In Python?

  • The ternary operator is an alternative for the conditional statements.
  • It combines of the true or false values with a statement that you need to test. The syntax would look like the one given below.
[onTrue] if [Condition] else [onFalse]
x, y = 35, 75
smaller = x if x < y else y
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python interview questions :67

What Does The <Self> Keyword Do?

  • The <self> keyword is a variable that holds the instance of an object. In almost, all the object-oriented languages, it is passed to the methods as hidden parameter.

python interview questions :68

What Are Different Methods To Copy An Object In Python?

  • There are two ways to copy objects in Python.

copy.copy() function

  • It makes a copy of the file from source to destination.
  • It’ll return a shallow copy of the parameter.

copy.deepcopy() function

  • It also produces the copy of an object from the source to destination.
  • It’ll return a deep copy of the parameter that you can pass to the function.

python interview questions :69

What Is The Purpose Of Doc Strings In Python?

  • In Python, documentation string is popularly known as doc strings. It sets a process of recording Python functions, modules, and classes.

python interview questions :70

Which Python Function Will You Use To Convert A Number To A String?

  • For converting a number into a string, you can use the built-in function <str()>. If you want an octal or hexadecimal representation, use the inbuilt function <oct()> or <hex()>.

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