Appending values to dictionary in Python

Just use append:

list1 = [1, 2, 3, 4, 5]
list2 = [123, 234, 456]
d = {'a': [], 'b': []}
d['a'].append(list1)
d['a'].append(list2)
print d['a']

Related Posts:

  1. Iterating over dictionaries using ‘for’ loops
  2. How do I sort a dictionary by value?
  3. How do I sort a dictionary by value?
  4. How do I sort a dictionary by value?
  5. Check if a given key already exists in a dictionary
  6. How does collections.defaultdict work?
  7. Is a Python dictionary an example of a hash table?
  8. Converting dictionary to JSON
  9. How do I merge two dictionaries in a single expression (taking union of dictionaries)?
  10. Python list of dictionaries search
  11. Updating a dictionary in python
  12. How to avoid “RuntimeError: dictionary changed size during iteration” error?
  13. unhashable type: ‘dict’ Type Error [duplicate]
  14. How to copy a dictionary and only edit the copy
  15. How to avoid “RuntimeError: dictionary changed size during iteration” error?
  16. How can I remove a key from a Python dictionary?
  17. How to solve dictionary changed size during iteration error?
  18. DataFrame constructor not properly called
  19. TypeError: ‘type’ object is not subscriptable when indexing in to a dictionary
  20. TypeError: ‘dict’ object is not callable
  21. Getting key with maximum value in dictionary?
  22. Error: ” ‘dict’ object has no attribute ‘iteritems’ “
  23. Getting key with maximum value in dictionary?
  24. Error: ” ‘dict’ object has no attribute ‘iteritems’ “
  25. How can I get dictionary key as variable directly in Python (not by searching from value)?
  26. Are dictionaries ordered in Python 3.6+?
  27. How can I remove a key from a Python dictionary?
  28. append multiple values for one key in a dictionary [duplicate]
  29. Convert a python dict to a string and back
  30. Delete an element from a dictionary
  31. How to add multiple values per key in python dictionary
  32. Get key by value in dictionary
  33. How to add multiple values to a dictionary key in python?
  34. Determine the type of an object?
  35. enumerate() for dictionary in python
  36. Reverse / invert a dictionary mapping
  37. Creating 2D dictionary in Python
  38. How to print a dictionary’s key?
  39. Converting Dictionary to List?
  40. How to pretty print nested dictionaries?
  41. Convert a Pandas DataFrame to a dictionary
  42. How to index into a dictionary?
  43. In Python, when to use a Dictionary, List or Set?
  44. Add a new item to a dictionary in Python
  45. How can I add new keys to a dictionary?
  46. How can I get list of values from dict?
  47. TypeError: string indices must be integers, not str // working with dict
  48. How do I format a string using a dictionary in python-3.x?
  49. Creating a dictionary from a csv file?
  50. Map to List error: Series object not callable
  51. How to return dictionary keys as a list in Python?
  52. How can I create an array/list of dictionaries in python?
  53. Comparing two dictionaries and checking how many (key, value) pairs are equal
  54. How to save a dictionary to a file?
  55. Mapping over values in a python dictionary
  56. TypeError: ‘dict_keys’ object does not support indexing
  57. How to convert an XML string to a dictionary?
  58. How do I print the key-value pairs of a dictionary in python
  59. How do I print the key-value pairs of a dictionary in python
  60. How do I make a dictionary with multiple keys to one value?
  61. Python: How to check if keys exists and retrieve value from Dictionary in descending priority
  62. Python dictionary from an object’s fields
  63. Writing a dictionary to a csv file with one line for every ‘key: value’
  64. How to convert a file into a dictionary?
  65. Append a dictionary to a dictionary
  66. Python Add to dictionary loop
  67. AttributeError: ‘str’ object has no attribute ‘items’
  68. JSON object must be str, bytes or bytearray, not dict
  69. convert csv file to list of dictionaries
  70. Declaring a multi dimensional dictionary in python
  71. how to concatenate two dictionaries to create a new one in Python?
  72. python-How to solve KeyError: 2?
  73. How to search through dictionaries?
  74. Change the name of a key in dictionary
  75. What is an easy way to implement fprintf in python?
  76. How can I extract all values from a dictionary in Python?
  77. Create a list with initial capacity in Python
  78. Accessing dict_keys element by index in Python3
  79. Iterating over dictionary items(), values(), keys() in Python 3
  80. Flatten nested dictionaries, compressing keys
  81. python dictionary error AttributeError: ‘list’ object has no attribute ‘keys’
  82. Convert list of dictionaries to a pandas DataFrame
  83. How to print both strings in a dictionary in Python
  84. Error:cannot convert float NaN to integer in pandas
  85. What does the % sign mean in coding?
  86. Replacing column values in a pandas DataFrame
  87. How can I count the occurrences of a list item?
  88. Unable to plot Double Bar, Bar plot using pyplot for ndarray
  89. error: Failed to load the native TensorFlow runtime
  90. How do I check if a list is empty?
  91. List files ONLY in the current directory
  92. Exit codes in Python
  93. how can I translate efficiently a Java code to python?
  94. How can I splice a string?
  95. How to declare array of zeros in python (or an array of a certain size)
  96. Python sockets error TypeError: a bytes-like object is required, not ‘str’ with send function
  97. Creating files and directories via Python
  98. plotly: TypeError: cannot convert dictionary update sequence element #0 to a sequence
  99. Plot a histogram such that the total area of the histogram equals 1
  100. Does tkinter have a table widget?

Leave a Comment