[New] Tuple as a function argument and nested tuple are not parsed.

[Thirumalai-Shaktivel]

$ lpython --show-ast --new-parser constants1.py
syntax error: Token ',' is unexpected here
  --> constants1.py:38:15
   |
38 |     a = len((1, 2, 3))
   |               ^ 


Note: if any of the above error or warning messages are not clear or are lacking
context please report it to us (we consider that a bug that needs to be fixed).

$ lpython --show-ast --new-parser tuple1.py
syntax error: Token ',' is unexpected here
  --> tuple1.py:13:13
   |
13 |     a4 = ((1, 2, 3), (4, 5, 6))
   |             ^ 


Note: if any of the above error or warning messages are not clear or are lacking
context please report it to us (we consider that a bug that needs to be fixed).

[Thirumalai-Shaktivel]

This issue has been fixed!