read input from stdin python code example

Example 1: input stdin python

import sys
data = sys.stdin.readline()
sys.stdout.write('Dive in')

Example 2: python read from stdin

import sys
data = sys.stdin.readlines()

Example 3: python read from stdin pipe

k = 0
try:
    while True:
        print sys.stdin.readline()
        k += 1
except KeyboardInterrupt:
    sys.stdout.flush()
    pass
print k