WordPress keeps automatically inserts

Try putting the 2nd line (the first code line) just after the shortcode, as in 

[sourcecode language = python]a+b=c
f = 1 + 3
c = 12 + 13

(not actually code, but you see what I did.) You put a blank line after the shortcode, which was interpreted as a

Just guessing here; you might want to ask the plugin support forum.

Related Posts:

  1. Shortcode outputs at the top of the_content
  2. Combining shortcode and get_template_part
  3. Escaping quotes from shortcode attributes
  4. Shortcode output always showing at top of page
  5. How to detect if a Shortcode is being called on a page?
  6. How to get current page title inside a page itself in a shortcode and in page content
  7. Short code to display a loop
  8. shortcode inside another shortcode
  9. How can I just get content inside a shortcode or just outside
  10. Need MySQL Query or WP-CLI command to updates old URLs in Shortcodes [closed]
  11. Custom Shortcode AJAX 400 Bad Request
  12. WordPress core responsive video not working with shortcode
  13. shortcode to create dynamic dropdown box form shortcode attributes
  14. conditional shortcode not working
  15. How do I add my own custom shortcodes?
  16. Can’t seem to get [shortcode]s to work
  17. Wraping $content into link with shortcodes
  18. nested Shortcode doesn’t work
  19. Simple contact form with field validation
  20. TinyMCE get selected text and underlying HTML
  21. Rewriting WordPress Gallery Shortcode with Bootstrap Carousel
  22. other shortcodes in Contact form 7 MAILS [closed]
  23. Remove empty p-Tags in Shortcode content before non p-Tags
  24. What is a short code?
  25. Wrap shortcode inside custom block
  26. Instagram URL is converted into oEmbed
  27. Shortcode with no attribute but has value
  28. Remove wpautop from specific shortcodes only
  29. Creating a shortcode based on users preferences
  30. Get a post’s thumbnail url or display default image in shortcode
  31. basic shortcode – Why 1st paragraph not wrapped in p tag, but 2nd is
  32. unwanted P tags in shortcode, delay wpautop not working
  33. Shortcodes and a list of IDs?
  34. Shortcode adding plugin output before post, instead of inline [duplicate]
  35. Convert HTML Script to Shortcode [closed]
  36. How to build a shortcode which can insert a query string into a DB table
  37. Visual Composer integration [closed]
  38. Registration Form Shortcode
  39. Include tags in the body of a post
  40. no content after shortcode
  41. Button Shortcode
  42. Remove shortcodes that are different (but same pattern) in each post
  43. Place a URL parameter value inside a WordPress short code
  44. Shortcodes in excerpts returning empty string
  45. Scripts for shortcode: concatenate or load separately? [closed]
  46. Print shortcode in defined area
  47. WordPress shortcodes are not working
  48. Conditionally Loading JavaScript/CSS for Shortcodes
  49. How to use/enable Pagination?
  50. Wrap Shortcodes and wpautop
  51. Shortcode called twice
  52. Favorite websites with shortened hyperlinks
  53. Best way to find all shortcodes that come with WordPress
  54. Using Variables in Shortcodes
  55. Default Attributes in Shortcode Not Working
  56. Replacement for gallery_shortcode function not taking all attributes
  57. Add JS in footer via shortcode?
  58. Shortcode syntax errors
  59. Passing variable in nested shortcodes
  60. Shortcode Always Displays Default Attribute Value
  61. WordPress Shortcode / Only works in classic editor, gutenberg error / invalid json response
  62. Do shortcode in template file
  63. How do I fit a function inside an opening and closing do_shortcode
  64. Pass instance number to shortcode child
  65. How to make shortcode which returns HTML?
  66. Add shortcode within the_content()
  67. How to create a custom shortcode for custom login form?
  68. Pass a comma separated shortcode attribute to a function
  69. Enclosing Shortcode not working in a Template
  70. how to write short code in word press
  71. hard code shortcode only on specific category
  72. pass complex json as shortcode parameter
  73. Image Caption Shortcode Broken upon update
  74. How to include shortcodes and pdfs in WordPress search without plugin?
  75. How to embeded shortcode for another website
  76. To know whether insert shortcode in custom meta box
  77. Gutenberg Shortcode will turn html to html entity
  78. Need help in setting up a transient using API Key and if possible updating it in the ACF field
  79. the_content() not showing the content in good order (with a shortcode)
  80. Execute shortcode in backend
  81. Shortcodes not working in custom page
  82. Get label in user meta query
  83. How to Enable embedding WordPress default gallery in comments?
  84. Print shortcode according to site language
  85. Gallery shortcode is empty but magically creates a gallery
  86. Add audio file to post using custom term meta field as link [closed]
  87. Display tags cloud from a specific category ID with a shortcode
  88. Shortcode appeared twice on page, one time before content, one time where it’s really called
  89. How to list child pages with excerpts, e.g. [child-pages depth=”1″ excerpt=”1″]
  90. Video shortcode outside WordPress not working with IE and mediaelement’s Flash fallback
  91. Inserting a variable into a shortcode inside php
  92. Display title of child pages in shortcode
  93. Shortcode for Admin Theme Option?
  94. Clarify: Enqueueing scripts within shortcode only loads in footer?
  95. What makes a placeholder resizable in Tinymce?
  96. Create plugin/function to catch XML-data via Shortcode
  97. Why My slider shortcode display above header
  98. Shortcode conversion to hrml when post is published
  99. Shotcode error on functions
  100. Shortcode for displaying the user’s first name?