CODEWITHSUNDEEP
pythonnameerror
kh med
kh med

Reputation: 39

what's the NameError mistake?

The code is pretty simple im just starting programming in python

the code

man = input ("what's your name mister")
print("his name is "+man)

the message i get after running the program

Traceback (most recent call last):
  File "<pyshell#0>", line 1, in <module>
    alex
NameError: name 'alex' is not defined

Upvotes: 1

Views: 1820

Answers (2)

kh med
kh med

Reputation: 39

Thank you guys for trying to find out the error i found out the mistake , i was clicking Run And then Python shell instead i clicked in run module and it works , im sorry again

Upvotes: 1

DJMcMayhem
DJMcMayhem

Reputation: 7689

In python 2, "input" takes what you enter, and tries to treat it like a python expression. So it treats your string "alex" as the name of a variable. If you do not have a variable named "alex", it creates an error trying to look for it. Here's an example

alex = "Hello world"
x = input()
print x

If I enter "alex" in the input, this will print "Hello world." If you want to take a string as input instead, use raw_input().

alex = "Hello world"
x = raw_input()
print x

This would print "alex", not "hello world."

If you are using python 3, "input" behaves the exact same way as "raw_input" does in python 2. I just ran your code in python 3 and did not get any error, so you are probably using 2.

Also, here is more info about input and raw_input.

Upvotes: 1

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