Question

Another question.

This program counts and numbers every line in the code unless it has a hash tag or if the line is empty. I got it to number every line besides the hash tags. How can I stop it from counting empty lines?

  def main():

    file_Name = input('Enter file you would like to open: ')

    infile = open(file_Name, 'r')

    contents = infile.readlines()
    line_Number = 0
    for line in contents:
        if '#' in line:
            print(line)
            if line == '' or line == '\n':
                print(line)
        else:
            line_Number += 1 
            print(line_Number, line)

    infile.close()

main()

Answer 1

You check if line == '' or line == '\n' inside the if clause for '#' in line, where it has no chance to be True.
Basically, you need the if line == '' or line == '\n': line shifted to the left 🙂

Also, you can combine the two cases, since you perform the same actions:

if '#' in line or not line or line == '\n':
    print line

But actually, why would you need printing empty stings or '\n'?

Edit:
If other cases such as line == '\t' should be treated the same way, it’s the best to use Tim’s advice and do: if '#' in line or not line.strip().