[ADD] examples

examples/cmd.py

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+# A simple example code for wexpect written in python-2.7
+
+from __future__ import print_function
+import wexpect
+
+# Path of cmd executable:
+cmdPath = 'C:\Windows\System32\cmd.exe'
+cmdPrompt = '>'
+
+# Start the child process
+p = wexpect.spawn(cmdPath)
+
+# Wait for prompt
+p.expect(cmdPrompt)
+
+# print the texts
+print(p.before, end='')
+print(p.match.group(0), end='')
+
+# Send a command
+p.sendline('ls')
+p.expect(cmdPrompt)
+
+# print the texts
+print(p.before, end='')
+print(p.match.group(0), end='')
+

examples/foo.py

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+from __future__ import print_function
+import time
+
+print('Give a small integer: ', end='')
+num = input()
+
+for i in range(num):
+    print('waiter ' + str(i))
+    time.sleep(0.2)
+
+print('Give your name: ', end='')
+name = raw_input()
+print('Hello ' + str(name), end='')

examples/python.py

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+# A simple example code for wexpect written in python-2.7
+
+from __future__ import print_function
+import sys
+import wexpect
+
+# Path of python executable:
+pythonInterp = sys.executable
+prompt = ': '
+
+# Start the child process
+p = wexpect.spawn(pythonInterp, ['foo.py'])
+
+# Wait for prompt
+p.expect(prompt)
+
+# Send the 'small integer'
+p.sendline('3')
+p.expect(prompt)
+
+# print the texts
+print(p.before, end='')
+print(p.match.group(0), end='')
+
+# Send the name
+p.sendline('Bob')
+
+# wait for program exit.
+p.wait()
+
+# print the texts
+print(p.read(), end='')
+