Page 86 - Code & Click - 6

Python allows two types of comments in programs. These are:

• Single-line comments: Single-line comments are preceded by the hash (#) symbol.
• Multi-line comments: Multi-line comments that cover more than one line are enclosed within
triple quotes (“““ ”””).
For example,

# This is a single-line comment. “““ This is a comment
that covers multiple lines”””
P
Post-Processingost-Processing
 Python is a high-level language used for writing computer programs.
 Script mode and Interactive mode (shell mode) are the two modes used for writing Python code.
 Only one command can be executed at a time in interactive mode.

 Script mode is used for writing computer program.
 Python files are saved with .py extension.
 Print( ) function is used to display output on the screen.

Info Retention

A. Select the correct option for each of the following statements.
1. In the ______ mode, commands are typed at the command prompt one by one.

(a) Script (b) Shell (c) Command (d) Interactive
2. Which of these is a Python command prompt?

(a) >>> (b) &&& (c) <<< (d) ###

3. The extension of Python program files is ______.
(a) .python (b) .py (c) .pyt (d) .shell

4. The key used to execute a python program is ______.
(a) F4 (b) F5 (c) F6 (d) Ctrl + R

B. Fill in the blanks with the correct answer.

1. Interactive mode is also known as _________ mode.
2. Single-line comments in Python are indicated by the _________ symbol.

3. The _________ function is used to get data from the user and store it in a variable.
4. The _________ mode is also known as Batch processing mode.

C. Write ‘T’ for True and ‘F’ for False statement.
1. Python is an interpreted language. _______

2. Python is used for programming robots or developing AI applications. _______
3. IDLE stands for Integrated Development and Learning Education. _______

4. Variable names must start with underscore. _______

84