Here are my solutions to HDLbits Verilog problem set (https://hdlbits.01xz.net/wiki/Main_Page). Due to limited time, these solutions may not be the best. Anyway, if you are a freshman in Verilog or just want to sharpen your coding skill, I hope these will help you a little bit.
Please feel free to contact me for any questions about these solutions. E-mail:jl_shi@outlook.com
ENJOY CODING~