• Python 3.7.5
• packages used:
  • pycryptodome 3.9.7 (Check requirements.txt file)

• Programs A1,A2,A3 are located in the same folder
• Programs B1,B2,B3 are located in the same folder
• All programs must be executed on the localHost.

Press <y> when prompted by B1, to use the local OTP file. (This is due to the specification mentioned in Question 1)

Otherwise, Keep B1 running, and on another console(s), run B2 then A2, and come back to B1 and press Enter. The program can follow the rest of the order after.

B1 -> A1 -> B2 -> A2 -> A3 -> B3