Update 'Writing Bears' with new best practices
Update 'Writing Bears' with new best practices

- Use yield instead of returning a list
- Use self.new_result instead of Result.from_values

jayvdb/coala,Asnelchristian/coala,rimacone/testing2,incorrectusername/coala,Nosferatul/coala,vinc456/coala,MariosPanag/coala,coala-analyzer/coala,coala-analyzer/coala,aptrishu/coala,JohnS-01/coala,ayushin78/coala,tushar-rishav/coala,refeed/coala,Balaji2198/coala,meetmangukiya/coala,NiklasMM/coala,CruiseDevice/coala,sagark123/coala,stevemontana1980/coala,ManjiriBirajdar/coala,damngamerz/coala,ayushin78/coala,nemaniarjun/coala,SanketDG/coala,karansingh1559/coala,arush0311/coala,kartikeys98/coala,RJ722/coala,stevemontana1980/coala,tushar-rishav/coala,karansingh1559/coala,SanketDG/coala,nemaniarjun/coala,scottbelden/coala,ayushin78/coala,arjunsinghy96/coala,abhiroyg/coala,vinc456/coala,ManjiriBirajdar/coala,arush0311/coala,yashtrivedi96/coala,nemaniarjun/coala,aptrishu/coala,mr-karan/coala,Asalle/coala,RJ722/coala,sils1297/coala,shreyans800755/coala,coala-analyzer/coala,shreyans800755/coala,netman92/coala,karansingh1559/coala,rimacone/testing2,tushar-rishav/coala,RJ722/coala,yashLadha/coala,arush0311/coala,refeed/coala,kartikeys98/coala,Balaji2198/coala,Shade5/coala,coala/coala,aptrishu/coala,SanketDG/coala,impmihai/coala,sils1297/coala,refeed/coala,coala/coala,Balaji2198/coala,rimacone/testing2,Nosferatul/coala,stevemontana1980/coala,mr-karan/coala,jayvdb/coala,Asnelchristian/coala,meetmangukiya/coala,netman92/coala,sils1297/coala,yashtrivedi96/coala,yashLadha/coala,scottbelden/coala,netman92/coala,coala/coala,Shade5/coala,JohnS-01/coala,yashLadha/coala,shreyans800755/coala,mr-karan/coala,Nosferatul/coala,incorrectusername/coala,Asnelchristian/coala,NiklasMM/coala,meetmangukiya/coala,abhiroyg/coala,CruiseDevice/coala,Asalle/coala,MariosPanag/coala,impmihai/coala,kartikeys98/coala,incorrectusername/coala,arjunsinghy96/coala,yashtrivedi96/coala,arjunsinghy96/coala,ManjiriBirajdar/coala,damngamerz/coala,sagark123/coala,impmihai/coala,scottbelden/coala,jayvdb/coala,vinc456/coala,Asalle/coala,abhiroyg/coala,damngamerz/coala,Shade5/coala,sagark123/coala,MariosPanag/coala,JohnS-01/coala,NiklasMM/coala,CruiseDevice/coala