code: def AddSourceRestriction(self,cidr):
  		
  
  		self.source_restrictions.append(SourceRestriction(self,cidr))
  
  		return(self.Update())
docs: Add and commit a single source IP restriction policy.
  
  		>>> clc.v2.Server("WA1BTDIX01").PublicIPs().public_ips[0]
  				.AddSourceRestriction(cidr="132.200.20.1/32").WaitUntilComplete()
  		0