Python Basics-Day 2 Learning Note-dictionary Dictionary

Dictionary expression: {key:value}

• Value can be a string, list, or disctionary. Layered nesting, e.g multi-layer menus
• The print result of dictionary is unordered. Because you can find the value content by key, all without using the subscript as a list.
• Key must be unique and inherently repetitive.

Dataset = {    'Equity Fund':'Deep Value',    'Balanced Fund':'Market oriented with a growth bias',    'Fixed Income Fund': ['government Bond','Financial Notes','Credit Bond','MBS'],}
Print (Dataset)

{' Equity Fund ': ' Deep value ', ' Balanced Fund ': ' Market oriented with a growth bias ', ' Fixed Income Fund ': [' Government bon d ', ' financial Notes ', ' Credit Bond ', ' MBS '}

Add to

dataset["Alternative Investment"] = ' REITS '  # Add key
Print (Dataset)

{' Equity Fund ': ' Deep value ', ' Balanced Fund ': ' Market oriented with a growth bias ', ' Fixed Income Fund ': [' Government bon d ', ' financial Notes ', ' Credit Bond ', ' MBS ', ' Alternative Investment ': ' REITS '}

Modify

dataset["Equity Fund"'fundamental growth'
dataset[' Fixed Income Fund '][1] = ' MTN '
Print (Dataset)

{' Equity Fund ': ' fundamental growth ', ' Balanced Fund ': ' Market oriented with a growth bias ', ' Fixed Income Fund ': [' government bond ', ' MTN ', ' Credit Bond ', ' MBS '], ' Alternative investment ': ' REITS '}

Delete

del dataset['Equity Fund']print(Dataset)

Or

Dataset.pop ("Equity Fund"print(Dataset)

or random Delete

Dataset.popitem ()

Find

Python Basics-Day 2 Learning Note-dictionary Dictionary