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how to find duplicate numbers in list in python

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Clear Chimpanzee answered on December 12, 2019 Popularity 10/10 Helpfulness 6/10

answer how to find duplicate numbers in list in python

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how to find duplicate numbers in list in python

Comment

l=[1,2,3,4,5,2,3,4,7,9,5]
l1=[]
for i in l:
    if i not in l1:
        l1.append(i)
    else:
        print(i,end=' ')

Popularity 10/10 Helpfulness 6/10 Language python

Source: www.educative.io

Tags: find list numbers python

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Contributed on Jun 06 2021

Clear Chimpanzee

0 Answers Avg Quality 2/10

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python count repeated elements in a list

Comment

# Basic syntax:
dict_of_counts = {item:your_list.count(item) for item in your_list}

# Example usage:
your_list = ["a", "b", "a", "c", "c", "a", "c"]
dict_of_counts = {item:your_list.count(item) for item in your_list}
print(dict_of_counts)
--> {'a': 3, 'b': 1, 'c': 3}

Popularity 10/10 Helpfulness 8/10 Language python

Source: stackoverflow.com

Tags: count coun

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Contributed on Dec 15 2020

Charles-Alexandre Roy

0 Answers Avg Quality 2/10

how to check if there are duplicates in a list python

Comment

>>> your_list = ['one', 'two', 'one']
>>> len(your_list) != len(set(your_list))
True

Popularity 10/10 Helpfulness 5/10 Language python

Source: Grepper

Tags: list

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Contributed on Dec 12 2019

Busy Boar

0 Answers Avg Quality 2/10

find duplicates in python list

Comment

names = ['name1', 'name2', 'name3', 'name2']
set([name for name in names if names.count(name) > 1])

Popularity 10/10 Helpfulness 5/10 Language python

Source: Grepper

Tags: find

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Contributed on May 20 2022

Eufemiano Fuentes Pérez

0 Answers Avg Quality 2/10

python efficiently find duplicates in list

Comment

from collections import Counter

def get_duplicates(array):
    c = Counter(array)
    return [k for k in c if c[k] > 1]

Popularity 10/10 Helpfulness 4/10 Language python

Source: stackoverflow.com

Tags: find

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Contributed on Jan 26 2022

Combative Coyote

0 Answers Avg Quality 2/10

identify duplicates within a single list in Python

Comment

def find_duplicates(input_list):
    seen = set()
    duplicates = set()
    for x in input_list:
        if x in seen:
            duplicates.add(x)
        seen.add(x)
    return duplicates

# Example usage
my_list = [1, 2, 3, 2, 1, 5, 6, 5, 5, 7]
print(find_duplicates(my_list))  # Output will be {1, 2, 5}

Popularity 7/10 Helpfulness 4/10 Language python

Source: chat.openai.com

Tags: identify list python py

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Contributed on Apr 16 2024

Niclas Bruhns

0 Answers Avg Quality 2/10

duplicates in python list

Comment

def findDuplicates(items):
    """ This function returns dict of duplicates items in Iterable
        and how much times it gets repeated in key value pair"""
    result = {}
    item = sorted(items)
    for i in item:
        if item.count(i) > 1:
            result.update({i: items.count(i)})
    return result
  
print(findDuplicates([1,2,3,4,3,4,2,7,4,7,8]))
# output will be {2: 2, 3: 2, 4: 3, 7: 2}

Popularity 10/10 Helpfulness 4/10 Language python

Source: Grepper

Tags: list

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Contributed on Jun 25 2022

Wild Wombat

0 Answers Avg Quality 2/10

find duplicated entries present in a list

Comment

-1

How to Find Out the Duplicated Values Present In a List:

some_list=['a','b','c','b','d','m','n','n']

 my_list=sorted(some_list)
 
duplicates=[]
for i in my_list:
     if my_list.count(i)>1:
         if i not in duplicates:
             duplicates.append(i)
 
print(duplicates)

Popularity 9/10 Helpfulness 4/10 Language python

Source: Grepper

Tags: find

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Contributed on Jul 09 2021

Troubled Thrush

0 Answers Avg Quality 2/10

Find duplicates in array/list

Comment

arr = [1,3,6,2,1,6]

for i in range(0, len(arr)):
    for j in range(i+1, len(arr)):
        if(arr[i] == arr[j]):
            print(arr[j])		#output = 1 6

Popularity 8/10 Helpfulness 3/10 Language python

Source: www.javatpoint.com

Tags: find whatever wha

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Contributed on Mar 12 2023

Sanne

0 Answers Avg Quality 2/10

Check if there are duplicates in list

Comment

-1

list= ["a", "a", "b", "c", "d", "e", "f"] 

 
for x in range(0, len(list)-1):
    if(list[x]==list[x+1]):
        print("Duplicate found!");
    
    

print(list)

Popularity 10/10 Helpfulness 3/10 Language python

Source: Grepper

Tags: list

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Contributed on Jul 20 2022

Javasper

0 Answers Avg Quality 2/10

how to find duplicate numbers in list in python

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how to find duplicate numbers in list in python

Closely Related Answers

python count repeated elements in a list

how to check if there are duplicates in a list python

find duplicates in python list

python efficiently find duplicates in list

identify duplicates within a single list in Python

duplicates in python list

find duplicated entries present in a list

Find duplicates in array/list

Check if there are duplicates in list

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