How to Get User Input Without Pressing Enter in the Shell?

Getting User Input Without Pressing Enter in the Shell

You want to use raw_input in Python to interact with a user in the shell, but without requiring them to press enter after inputting their response.

Windows Solution

For Windows, you can use the msvcrt module, specifically the msvcrt.getch function:

import msvcrt

c = msvcrt.getch()
if c.upper() == 'S':
    print('YES')

Unix Solution

For Unix, you can refer to this recipe to create a similar getch function:

import tty
import termios

def getch():
    fd = sys.stdin.fileno()
    old_settings = termios.tcgetattr(fd)
    try:
        tty.setraw(fd)
        ch = sys.stdin.read(1)
    finally:
        termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
    return ch

With this function, you can retrieve user input without the need for pressing enter:

c = getch()
if c.upper() == 'S':
    print('YES')

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