Appending turns my list to NoneType

by

list.append is a method that modifies the existing list. It doesn’t return a new list — it returns None, like most methods that modify the list. Simply do aList.append('e') and your list will get the element appended.

More Related Contents:

  1. How do i implement these algorithms below
  2. Modify tick label text
  3. Constantly print Subprocess output while process is running
  4. How to validate IP address in Python? [duplicate]
  5. Python NLTK pos_tag not returning the correct part-of-speech tag
  6. Filtering a list of strings based on contents
  7. How do I install Python OpenCV through Conda?
  8. Why is “if not someobj:” better than “if someobj == None:” in Python?
  9. Two’s Complement in Python
  10. How to get value counts for multiple columns at once in Pandas DataFrame?
  11. How do I clone a Django model instance object and save it to the database?
  12. Plot different DataFrames in the same figure
  13. What is the difference between root.destroy() and root.quit()?
  14. Upper memory limit?
  15. How to replace negative numbers in Pandas Data Frame by zero
  16. AttributeError: module ‘sipbuild.api’ has no attribute ‘prepare_metadata_for_build_wheel’ for PyQt5 5.15.0
  17. PySpark converting a column of type ‘map’ to multiple columns in a dataframe
  18. Make dictionary from list with python [duplicate]
  19. How to map features from the output of a VectorAssembler back to the column names in Spark ML?
  20. Getting value of enum on string conversion
  21. importing a module in nested packages
  22. Is set.pop() deterministic?
  23. Clear all widgets in a layout in pyqt
  24. How to reconstruct a .ui file from pyuic .py file
  25. Specifying arguments with spaces for running a python script
  26. Python: how to store a numpy multidimensional array in PyTables?
  27. Nested lambda statements when sorting lists
  28. Getting the subsets of a set in Python
  29. Connecting to SQL Server 2012 using sqlalchemy and pyodbc
  30. Activate conda environment in docker

Leave a Comment