python if value in list code example
Example 1: Check if element in list Python
listA = [item1, item2, item3]
if item4 in listA:
print('yes, item4 is in the list')
else:
print('no, item4 is not in the list')
Example 2: 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
Example 3: how to check if value is in list python
>>> letters = [a,b,c,d,e]
>>> 'a' in letters:
True
Example 4: 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
Example 5: python checking not in list
a = [1, 2, 3, 4, 5, 6]
b = 7
c = 4
# use "not in" to check if something is not an element of a list
# use "in" to check if something is an element of a list
if b not in a:
print('True')
else:
print('False')
if c in a:
print('True')
else:
print('False')
Example 6: how to check if element is in list python
'''
check if element NOT exist in list using 'in'
'''
if 'time' not in listOfStrings :
print("Yes, 'time' NOT found in List : " , listOfStrings)