Longest word problem python test case

Question

Hello, I cant find what I am missing for last test case ,any suggestions?
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txt = input()

#your code goes here

txt=txt.split()
#print(txt)
max=len(txt[0])
word=''
for i in txt:
if max<len(i):
max=len(i)
word=i
print(word)
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Answer 1

Here is the information in the task. Its from Python Core More Types 11. Code Project It only recommends using split.
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Longest Word

Given a text as input, find and output the longest word.

Sample Input
this is an awesome text

Sample Output
awesome

Answer 2

can you please name the task?

Answer 3

Is the word variable containing a single quote or a double quote and anyways you don't need to initialize variable before using it in Python

Answer 4

txt = input()
txt=txt.split(" ")

max=len(txt[0])

for i in txt:
if max<len(i):
max=len(i)
word=i
print(word)

Answer 5

a = input().split()
length= []

for i in a:
length.append(len(i))
x=max(length)
y=length.index(x)
print(a[y])

Answer 6

Oo, my problem was solving with predefined max. Thank you all for your input.