If you are not careful with your indentations, you can cause Python to lose your place. For example, if you mix tabs and spaces, Python will complain.

if True:
   print("Indentation")
    print("Hello")

As you can see, the indentations are not consistent in the if block. Therefore, you will get an error, such as the one below.

 File "<stdin>", line 3
    print("Hello")
    ^
IndentationError: unexpected indent