Completed translation of 'Introduction to Python'. Closes #78
Completed translation of 'Python lists manupulating'. Fixes #80
Merge pull request #88 from puentesarrin/issue-78

Completed translation of 'Introduction to Python'. Closes #78
Merge pull request #90 from puentesarrin/issue-80

Completed translation of 'Python lists manupulating'. Fixes #80