PYTHON_TIPS[1]-Using Python's dictionary to implement the Switch function

using the Python dictionary to implement the Switch function

Python is not a switch statement, when encountering the need to implement the switch statement function, generally can be replaced with if/else, but there is a more concise implementation method, the use of a dictionary implementation, the need to select the condition set to the dictionary key, the selected result is set to a value, The function of switch is realized by using the dictionary key to obtain the value.

1 defHello ():2     Print('hello!')3 4 defWorld ():5     Print('world!')6 7D = {'Hello': Hello,8      ' World': World}9 Ten deffoo (case): One     returnD[case] A  -Foo'Hello')() -Foo' World')()

Code Run Results

Hello! world!

Use a dictionary to implement a function similar to Switch.

PYTHON_TIPS[1]-Using Python's dictionary to implement the Switch function