2 User Input Python Sample Programs

Here are the Python programs that work on taking user input and giving responses to the user. These are also called interactive programs. 

Python enables you to read user input from the command line via the input() function or the raw_input() function. Typically, you assign user input to a variable containing all characters that users enter from the keyboard. User input terminates when users press the <return> key (included with the input characters).

#1 User input sample program

The following program takes input and replies if the given input value is a string or number.

my_input = input("Enter something: ") 

try: 

    x = 0 + eval(my_input) 

    print('You entered the number:', my_input) 

except: 

    print(userInput,'is a string')

Output

Enter something: 

100

You entered the number: 100

** Process exited - Return Code: 0 **

Press Enter to exit terminal. 

#2 User input sample program

The following program takes two inputs from the user and calculates the sum.

sum = 0

msg = 'Enter a number:'

val1 = input(msg)

try:

  sum = sum + eval(val1)

except:

  print(val1,'is a string')

msg = 'Enter a number:'

val2 = input(msg)

try:

  sum = sum + eval(val2)

except:

  print(val2,'is a string')

print('The sum of',val1,'and',val2,'is',sum)

Output

Enter a number:

100

Enter a number:

200

The sum of 100 and 200 is 300

** Process exited - Return Code: 0 **

Press Enter to exit terminal

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