def function python - Help me with syntax

Question

I am a python newbie, learning the basics now. I tried the following def function.But it indicates an error. Can somebody tell me where I make the mistakes in the syntax.

(I wrote it with the proper indentation. but the Stakoverflow window does not indicate as I paste it)

# This will test the reverse function of the program

def rev(text) :
    text = input()
    return text [::-1]

print("Please Enter a word")
input()
rev(text)

input() # This is to avoid the screen closing immediately after executing the
        # program

thefourtheye · Accepted Answer · 2013-12-21 10:22:04Z

4

You have to assign a value to a variable before using it.

print("Please Enter a word")
input()
rev(text)

You are using text here, but you havn't assigned any value to it. You might want to do like this

print("Please Enter a word")
text = input()
rev(text)

Now, input will read data from the user and it will be available with text

Suggestion 1: As @seaotternerd suggested in the comments, you don't need to print the message and read inputs, you can directly do,

input("Please Enter a word")

answered Dec 21, 2013 at 10:22

thefourtheye

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2 Comments

seaotternerd Over a year ago

It also isn't necessary to print the prompt and then call input() separately. input("Please enter a word") will accomplish both.

thefourtheye Over a year ago

@seaotternerd Thanks :) Added that in the answer :)

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