Problem: Using netcat (nc) is going to be pretty important. Can you connect to 2019shell1.picoctf.com at port 47229 to get the flag?
Solution: Using the shell run netcat (nc) and input the infomation they gave. nc 2019shell1.picoctf.com 47229
Flag: picoCTF{nEtCat_Mast3ry_cc4ad2c7}