Python Introduction

Python is a general purpose programming language created by Guido Van Rossum from CWI (Centrum Wiskunde & Informatica) which is a National Research Institute for Mathematics and Computer Science in Netherlands. Th e language was released in I991. Python got its name from a BBC comedy series from seventies- “Monty Python’s Flying Circus”. Python supports both Procedural and Object Oriented programming approaches.

Key features of Python

It is a general purpose programming language which can be used for both scientifi c and non-scientifi c programming.
It is a platform independent programming language.
Th e programs written in Python are easily readable and understandable.

The version 3.x of Python IDLE (Integrated Development Learning Environment) is used to develop and run Python code. It can be downloaded from the web resource www.python.org.

Programming in Python

In Python, programs can be written in two ways namely Interactive mode and Script mode. The Interactive mode allows us to write codes in Python command prompt (>>>) whereas in script mode programs can be written and stored as separate file with the extension .py and executed. Script mode is used to create and edit python source file.

Qus. 1 : Is Python case sensitive when dealing with identifiers?

yes
no
machine dependent
none of the mentioned

Qus. 2 : Python uses a/an _______ to convert source code

Interpreter
Compiler
Combination of Compiler and Interpreter
all of these

Qus. 3 : Python code can run on a variety of platforms, it means Python is a _____ language.

Graphical
Cross-Platform
Platform Dependent
All of these

Qus. 4 : You do not have pay Python and you can view its source code too. it means Python is _______

Free and Open Source
Freeware
Open source
Shareware

Qus. 5 : Python is ________ Programming Language

High Level
Object Oriented
Low Level
Both A and B

Qus. 6 : Which of the following is not a valid identifier?

student
s12
123
_123

Qus. 7 : Which of the following variable declaration is incorrect?

a_=3
_a=3
a?=3
All of these

Qus. 8 : In which language is Python written?

English
PHP
C
All of the above

Qus. 9 : In which year was the Python language developed?

1995
1972
1981
1991

Qus. 10 : Which of the following is incorrect regarding variables in Python?

Variable names in Python cannot start with number. However, it can contain number in any other position of variable name.
Variable names can start with an underscore.
Data type of variable names should not be declared.
None of the above.

Qus. 11 : The tiny individual unit in python program is known as