These are the solutions I made for Go Tour tutorial. Files and related exercises are below.

• #25 Loops and Functions -> sqrt.go & sqrt_test.go
• #38 Slices -> pic.go & pic_test.go
• #43 Maps -> wordCount.go & wordCount_test.go
• #46 Fibonacci closure -> fibonacci.go & fibonacci_test.go
• #50 Complex cube roots -> cbrt.go & cbrt_test.go
• #58 Errors -> error.go & error_test.go
• #60 HTTP Handlers -> httpHandlers.go & httpHandlers_test.go
• #62 Images -> image.go & image_test.go
• #63 Rot13 Reader -> rot13Reader.go & rot13Reader_test.go
• #72 Equivalent Binary Trees -> btree.go & btree_test.go
• #73 Web Crawler -> webcrawler.go & webcrawler_test.go