Comments in Python

Comments are a line of code which is not read and executed as part of the program. It is very useful while editing and debugging the program.

Comments in Python

Python supports two types of comments –
1. Single line comment
2. Multi-line comment

 


1. Single Line Comment

In Python hash (#) character is used to create single line comment.

Syntax –

# [This is single line comment]

Example –

num1 = 5 # Initializing num1
num2 = 6 # Initializing num2

# Addition
sum = num1 + num2

print("Sum of two number = ",sum)

Output –

Sum of two number = 11

2. Multi-Line Comment

Python multi-line comment is a little bit different from other languages. Multi-line comment starts and ends with “”” or ”’.

Syntax –

""" 
[This is multi-line comment]
"""

Or

''' 
[This is multi-line comment]
'''

Example –

num1 = 5 # Initializing num1
num2 = 6 # Initializing num2

# Addition
sum = num1 + num2

"""
sub = num1 - num2
multi = num1 * num2
"""
print("Sum of two number = ",sum)

Output –

Sum of two number = 11

Comments are useful for :-

To let others understood what you are doing – Comments let other programmers understand what you were doing in each step ( if you work in a group ).\
To remind yourself what you did – Most programmers have experienced coming back to other own work a year or too later and having to re-figure out what they did.

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