pragma solidity ^0.4.0;
contract SimpleStorage{
uint a;
function initial( uint balu)public{
a = balu;
}
function Shop1( uint balu)public{
a = a-balu;
}
function Shop2(uint balu)public{
a = a-balu;
}
function add(uint balu)public{
a = a+balu;
}
function balance()public constant returns(uint){
return a;
}}
contract SimpleStorage{
uint a;
function initial( uint balu)public{
a = balu;
}
function Shop1( uint balu)public{
a = a-balu;
}
function Shop2(uint balu)public{
a = a-balu;
}
function add(uint balu)public{
a = a+balu;
}
function balance()public constant returns(uint){
return a;
}}
this is nice explain of programdevops certification pune
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