How to add comments to Python code

Comment in Python

Everything to the right of # is ignored.

# Print the circumference of the circle: 
print 2 * 3.14 * 4
#   w  ww  .j a  v  a  2  s.c  o  m
 
#
# This is 
# a comment.

print "coment is inside #"

The code above generates the following result.

A comment on the same line as code.

print 2+2  # A comment on the same line as code

The code above generates the following result.