# your code goes here
def get_input():
    my_var = str(input('Enter "a" or "b": '))
    if my_var == "a" or my_var == "b":
        print('got input:', my_var)
        return my_var
    else:
        print('You didn\'t type "a" or "b". Try again.')
        return get_input()


def get_input1():
    my_var = input('Enter "a" or "b": ')

    if my_var != "a" and my_var != "b":
        print('You didn\'t type "a" or "b". Try again.')
        return get_input1()
    else:
        return my_var

print('got input:', get_input1())

#get_input()

(Feb-17-2021, 07:01 AM)jahuja73 Wrote: Unable to run the below code.

# your code goes here
def get_input():
    my_var = str(input('Enter "a" or "b": '))
    if my_var == "a" or my_var == "b":
        print('got input:', my_var)
        return my_var
    else:
        print('You didn\'t type "a" or "b". Try again.')
        return get_input()


def get_input1():
    my_var = input('Enter "a" or "b": ')

    if my_var != "a" and my_var != "b":
        print('You didn\'t type "a" or "b". Try again.')
        return get_input1()
    else:
        return my_var

print('got input:', get_input1())

#get_input()

Get error:

Traceback (most recent call last):
File "prog.py", line 21, in <module>
File "prog.py", line 13, in get_input1
EOFError: EOF when reading a line

(Feb-17-2021, 07:53 AM)Serafim Wrote: I don't get any errors when running that code. Neither when running it as is or when changing it to use the function "get_input()". Not perfect, but it runs without errors.

Output:
$ python -c 'input("type input:")'
type input:k

Output:
$ python -c 'input("type input:")' < /dev/null
type input:Traceback (most recent call last):
  File "<string>", line 1, in <module>
EOFError: EOF when reading a line

(Feb-17-2021, 08:51 AM)bowlofred Wrote: You'll get that EOFError: EOF when reading a line error if input() gets an "end-of-file" condition. Perhaps by being redirected to an empty/unreadable file, terminated with a control-D/control-Z, or problems connecting to the correct input device.

Output:
$ python -c 'input("type input:")'
type input:k

But when redirected so that no data can be read:

Output:
$ python -c 'input("type input:")' < /dev/null
type input:Traceback (most recent call last):
  File "<string>", line 1, in <module>
EOFError: EOF when reading a line