Filename: assign$3-3.$py

Write a Python program to read the user input n from the cmd$.(1)$ Put all the numbers of $21,22,23,...$ etc until $2$n into the first tuple. Print out the tuple as follows. $(2)$ Then append another number $2$n$+1$ into this tuple. Print it out again. $(3)$ insert $31,32,33,...$ etc. until $3$n into the first tuple $(1)$ to make the following tuple. Print out the new tuple as follows.