Answers for "check if value is not in array python"

Python

python check string not exist in array

arr_test = ["thetung1","thetung2","thetung3"]
title = "thetung"
if title not in arr_test:
	arr_test.append(title)

Posted by: Guest on November-01-2020

python check if list contains

# To check if a certain element is contained in a list use 'in'
bikes = ['trek', 'redline', 'giant']
'trek' in bikes
# Output:
# True

Posted by: Guest on February-19-2020

python check if list contains value

if value in list:
  #do stuff

#Also to check if it doesn't contain
if value not in list:
  #do stuff

Posted by: Guest on May-20-2020

python check array exists

array = [1,2,3,4]
exists_2 = 2 in array
print(exists_2) # True
exists_5 = 5 in array
print(exists_5) # False

Posted by: Guest on January-29-2021

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