python--the parameter list

Source: Internet
Author: User

  When you want to pass the argument is already a list, the function calls to accept separate parameters, this time can consider the parameter list split:

    • You can use the * operator to automatically disassemble the parameter list:

args=[3,6]x=list (range (*args))print x

-------------------Output-----------------------------

[3, 4, 5]

    • You can use the * * operator to split the keyword argument into a dictionary:

defParrot (voltage,state='a stiff', action='Voom'):    Print "--This parrot wouldn ' t", Action,Print "If you put", Voltage,"volts through it.",    Print "E ' s", state,"!"D={"Voltage":"Four million"," State":"bleedin demised","Action":"Voom"}parrot (**D)


-------------------Output-----------------------------

--This parrot wouldn ' t voom if you put a four million volts through it. E ' s bleedin demised!

python--the parameter list

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