# b_wait4singlekeypress.py

# b_wait4singlekeypress.py

import msvcrt, time

print "press 'escape' to exit..."

t = time.time()+1
while 1:
    char = msvcrt.getch()
    if char == chr(27):
        break
    elif char == chr(13):
        print 'return key was pressed'
    elif char == ' ':
        print 'spacebar was pressed'
    else:
        print char
    if time.time() > t:
        print 'this line prints after every 1 sec of the last pressed key'
    t = time.time()+1