Dictionary exists fetch and non-exist fetch,fetchnon-exist,Matrix = {}M
Dictionary exists fetch and non-exist fetch,fetchnon-exist,Matrix = {}M
Matrix = {}Matrix[(2,3,4)] = 88Matrix[(7,8,9)] = 99print Matrixprint Matrix.get((2,3,4), 0) # exists-fetch and returnMatrix.get((2,3,6), 0) # does not exist-use default arg
- Dictionary update method,dictionarymethod,#The update
- Demonstrates string concatenation and repetition,,prin
- For Statements to list the string length,statementslen
- String replace Demo,stringreplacedemo,print 'tea f
- Degenerate slice indices,degenerateindices,#an index t
- Negative Indices numbers: start counting from the right,
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- Dictionary update method,dictionarymethod,#The update
- Demonstrates string concatenation and repetition,,print 'You c
- For Statements to list the string length,statementslength,a = ['cat
- String replace Demo,stringreplacedemo,print 'tea f
- Degenerate slice indices,degenerateindices,#an index th
- Negative Indices numbers: start counting from the right,indicescoun
- Use lambda to define inner function,lambdainner,def func():
- lambda function definition with default value,lambdadefinition,x =
- The dir Function,thedirfunction,#dir returns
- in can be applied to any 'iterable' object,appliedi
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