# enable: W9401,W9402

#A comment does not begin with a whitespace.

a = 1 + 2  #  A comment begins with two whitespace.

# a comment begins with a lowercase letter.

# Good comment examples.

# A sentence that spans multiple lines
# doesn't need to have capitalization on second line.

# Here's some code samples:
#  x = x + 1

# Make sure no error occur when checking an empty comment
#

# '\r\n\t' a comment can start with a new lines characters.

var = 1 + 2  # \r\n same for inline comments.

# enable: W9401,W9402

#A comment does not begin with a whitespace.

a = 1 + 2  #  A comment begins with two whitespace.

# a comment begins with a lowercase letter.

# Good comment examples.

# A sentence that spans multiple lines
# doesn't need to have capitalization on second line.

# Here's some code samples:
#  x = x + 1

# Make sure no error occur when checking an empty comment
#

# '\r\n\t' a comment can start with a new lines characters.

var = 1 + 2  # \r\n same for inline comments.

# `literal` is fine at the start.

Add example with back ticks.
Add example with back ticks.
