demo_python_tuple_add.py:
​x
 
thistuple = ("apple", "banana", "cherry")
thistuple[3] = "orange" # This will raise an error
print(thistuple)
​
C:\Users\My Name>python demo_python_tuple_add.py
Traceback (most recent call last):
  File "demo_tuple_add.py", line 2, in <module>
    thistuple[3] = "orange" # This will raise an error
TypeError: 'tuple' object does not support item assignment