python 3need to return true if duplicate letters are foundneed to return false if duplicate letters are foundmust be case sensitiveeverytime i input "hello" it returns false but when i enter "bibi" it returns true so not sure where my code is wrongneed it to return true when i input hello def duplicate_letters(word_input)""'First for loop measures for duplicates and second one measures for non-duplicates."-> int:for a in range(len(word_input)):if word_input.count (word_input [a]) > 1:return Trueelse:word_input.count(word_input [a]) != 1return Falsefor a in range(len(word_input)):if word_input.upper( [a]) == word_input([a]):return Falseprint("Found duplicate:+ str(duplicate_letters(word_input)))

python 3 need to return true if duplicate letters are found need to return false if duplicate letters are found must be case sensitive everytime i input "hello" it returns false but when i enter "bibi" it returns true so not sure where my code is wrong need it to return true when i input hello

python 3 need to return true if duplicate letters are found need to return false if duplicate letters are found must be case sensitive everytime i input "hello" it returns false but when i enter "bibi" it returns true so not sure where my code is wrong need it to return true when i input hello

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

python 3

need to return true if duplicate letters are found

need to return false if duplicate letters are found

must be case sensitive

everytime i input "hello" it returns false but when i enter "bibi" it returns true so not sure where my code is wrong

need it to return true when i input hello

def duplicate_letters(word_input)
""'First for loop measures for duplicates and second one measures for non-duplicates."
-> int:
for a in range(len(word_input)):
if word_input.count (word_input [a]) > 1:
return True
else:
word_input.count(word_input [a]) != 1
return False
for a in range(len(word_input)):
if word_input.upper( [a]) == word_input([a]):
return False
print("Found duplicate:
+ str(duplicate_letters(word_input)))

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