This is my

 
#!/bin/bash 

The function getsum () {
The local sum=0 
For n in $@ 
Do 
((sum +=n)) 
The done 
Return the $sum 
} 
# getsum $1 $2 $3 # calling function and pass parameters 
# echo $? 

Result=$(getsum $1 $2 $3) # calling function and pass parameters 
Echo $result 

$(getsum $1 $2 $3) should be have a problem, so I want to put the assignment and transfer in the way, how do I write this