Interactive input in python

Question

Here is the directions for what I need to do:

You are to write a complete program that obtains three pieces of data and then process them. The three pieces of informatio

Answer 1

I like to add a bit of logic to ensure proper values when I do input. My standard way is like this:

import ast
def GetInput(user_message, var_type = str):
    while 1:
        # ask the user for an input
        str_input = input(user_message + ": ")
        # you dont need to cast a string!
        if var_type == str:
            return str_input
        else:
            input_type = type(ast.literal_eval(str_input))
        if var_type == input_type:
            return ast.literal_eval(str_input)
        else:
            print("Invalid type! Try again!")

Then in your main you can do something like this!

def main():
    my_bool = False
    my_str = ""
    my_num = 0
    my_bool = GetInput("Give me a Boolean", type(my_bool))
    my_str = GetInput("Give me a String", type(my_str))
    my_num = GetInput("Give me a Integer", type(my_num))

    if my_bool:
        print('"{}"'.format(my_str))
        print(my_str)
    else:
        print(my_num * 2)