Python Scriping - 1 Python Fundamentals

Question 1

What is type error ?

Answer 1

Type Error Occur when input entered in a different format that you didnt want.

Question 2

Which is the First High Level Language ?

Answer 2

Fortran in 1960s

Question 3

What is slicing ?

Answer 3

Slicing is used to extract string from string object , common format is myStr[start:stop:step]

Question 4

Default return value of input() method ?

Answer 4

input() method returns string , so always typecast

Question 5

When C language is introduced ?

Answer 5

1980 , considered as middle Level Languge

Question 6

Format strings used for ?

Answer 6

Display values of variables with text , in curly braces we can execute any python code

Question 7

Which feature is not be included in code editor ?

Answer 7

Avoid Rich Formats.

Question 8

When was First Intel CPU was Introduced ?

Answer 8

1971

Question 9

What is Interprertor Language means ?

Answer 9

Interpreter run source code line by line , python code is first converted to bytecode , then bytecode is interpreted to machine code for cpu.

Question 10

Common methods of string ?

Answer 10

find(),replace(), endswith()

Question 11

How capable is the Intel First CPU ?

Answer 11

Capable to do 60,000 OPS (Operations Per Second

Question 12

What is type hinting ?

Answer 12

Adding type information to function ,introduced n python 3.5 ,specified in PEP-484

Question 13

Who Developed Boolean Logic ?

Answer 13

George Boole

Question 14

What means High Level in Programming Languages ?

Answer 14

High leve means Abstraction , Coding is in English language & easily understandable by humans , Compiler Based

Question 15

What is OPS ?

Answer 15

Operations Per Second

Question 16

How many Trasistors are in Intel’s First CPU ?

Answer 16

2300 Transistors

Question 17

Can string typcasted to int .

Answer 17

yes , only numbers in string , string alphabests are not typcasted to int.

Question 18

First Intel CPU ?

Answer 18

Intel 4004
It is the first commercial CPU

Question 19

What means Dynamically typed ?

Answer 19

You dont want to define type of the variable , it automatically understood by value in it.

Question 20

How to check Truth Value of python object ?

Answer 20

By using bool() method

Question 21

What are membership Operators ?

Answer 21

in , not in

Question 22

Which Method gives Ascii Value ?

Answer 22

ord() method

Question 23

When Python is Introduced ?

Answer 23

1990s

Question 24

Basic Boolean Logic ?

Answer 24

And,Or,Not

Question 25

What are the Characterstics of Python ?

Answer 25

Python is an High Level Language.
Python is an Dynamically Typed Language
Python is an Interpreted Language

Question 26

What is U in vscode Explorer

Answer 26

U for untracked , related to github.

Question 27

Strings are mutable or imutable ?

Answer 27

Strings are immutable in Python, which means a string cannot be modified.
You cannot modify the string once created. If you change a string, Python creates a new string with the updated value and assigns it to the variable.
str1 = “first”
id(str1)
str1 = str1+ “ Two”
id(str1)
Output

Question 28

How to get the character from ASCII number ?

Answer 28

Using chr(number) method

Question 29

Which method should I use to convert String “welcome to the beautiful world of python” to “Welcome To The Beautiful World Of Python”

Answer 29

title() method

Question 30

How to convert the string “my name is James bond” to “My name is James bond”

Answer 30

use capitalize() method

Question 31

What is the output of the following code?

var = “James” * 2 * 3
print(var)

Answer 31

6 times james
JamesJamesJamesJamesJamesJames

Question 32

What is the Output of the following code?

for x in range(0.5, 5.5, 0.5):
print(x)

Answer 32

Program executed with errors

Question 33

Can we use the “else” block for for loop?

for example:

for i in range(1, 5):
print(i)
else:
print(“this is else block statement” )

Answer 33

We can use the else block after the end of for loop and while loop. The else block is used to check the successful execution of a loop. If the loop executed successfully without any issues, the else block executes.

Question 34

What is the output of the following code?

def calculate (num1, num2=4):
res = num1 * num2
print(res)

calculate(5, 6)

Answer 34

30
In Python, we can set default values for arguments. If the function is called without the argument, the default value is used.

Question 35

What is the output of the following code?

listOne = [20, 40, 60, 80]
listTwo = [20, 40, 60, 80]

print(listOne == listTwo)
print(listOne is listTwo)

Answer 35

True,False
The == (Equal To) operator used to compare the values of two objects and The is operator compares the identity of two objects.

Question 36

How to Print memory Location ?

Answer 36

use id() method.

Question 37

What is the Output of this code ?
str1=”Sandy”
str2=”Mohan”
str2=str1
print(id(str1),id(str2))

Answer 37

It print the same memory location

Question 38

In which version of python type hinting is introduced

Answer 38

Type hinting is introduced in Python 3.5

Question 39

In which type document type hinting is specified ?

Answer 39

Type hinting is specified in PEP 484 document

Question 40

Which function is required to get index in for loop

Answer 40

enumerate method