input
Prompt the user for input and read his response.
y=input(prompt)
y=input(prompt,'s')
Inputs
prompt The prompt to be printed on the console to ask the user for input.
Outputs
y The response of the user.


Description
If the second input is not 's' , the string typed by the user is interpreted as an expression in the current context and its value is returned. Otherwise the user's response is returned as a string.
Example
>>a=input('What is x?')
What is x? 2
>>a
   2
>>a=input('What is y?','s')
What is y? pi
>>a
   pi
>>a=input('What is y?')
What is y? pi
>>a
   3.1416