PYTHON

how to check if value is in list python

>>> letters = [a,b,c,d,e]
>>> 'a' in letters:
True

check if value is in list python

l1 = [1]
l2 = [2,3,4]

if len(set(l1).intersection(set(l2)))==0:
    print('1 is not in the list (l2)')
else: # len()>0
    print('1 is in the list (l2)')

check if item exists in list python

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fruits = ["apple", "banana", "cherry","banana"]
item = "apple"
if item in fruits:
  print("Yes, '",item,"' is in the fruits list")

how to check if one value is in the list python

if ourlist.count('to') > 0:
   print('"to" exists in ourlist');

python check if included in list

#This is the list. You can place it in other file and import it.

"In the same file:"

MyList = ["something", "something2", "something3"]

IncredibleWord = "something"

if IncredibleWord in MyList:
  print("Yes, IncredibleWord is in your list")
  
else:
  print("No, IncredibleWord isn't in your list")
  
#------------------------------------------------------------------------------ 

"If your list is in an other file:"

#OtherFile
	MyList = ["something", "something2", "something3"]

#MyMainFile
	#Variables and lists for example
  from OtherFile import *
  
  IncredibleWord = "something"

if IncredibleWord in MyList:
  print("Yes, IncredibleWord is in your list")
  
else:
  print("No, IncredibleWord isn't in your list")

#-------------------------------------------------------------------------------
  	#Only a variable or a list for example
  from OtherFile import <List Name>
  
  IncredibleWord = "something"

if IncredibleWord in MyList:
  print("Yes, IncredibleWord is in your list")
  
else:
  print("No, IncredibleWord isn't in your list")