Python 3.4 - Membership and Identity Operators
Membership operators check to see if an object is present. using the in function one can determine if an object exists in a data set.
data = "My name is Matt"
"name" in data
True
You can use is or == to determine if a variable is using the same object reference. You may also use the is not to determine if two variables are using the same object reference.
/Users/mattfassnacht/PycharmProjects/untitled10/venv/bin/python /Users/mattfassnacht/PycharmProjects/untitled10/math.py
not in the list
they are the same
Process finished with exit code 0
https://www.youtube.com/watch?v=aaBYOzR9uZo
data = "My name is Matt"
"name" in data
True
You can use is or == to determine if a variable is using the same object reference. You may also use the is not to determine if two variables are using the same object reference.
my_list = ['john', 'matt', 'rick', 'jehovah', 'buddha'] my_list2 = ['john', 'matt', 'rick', 'jehovah', 'buddha'] if 'dog' in my_list: print('hello') else: print('not in the list') ## the in operator checks to see if the value dog is in the list. if my_list == my_list2: print('they are the same') ## this checks to see if they are the same.
/Users/mattfassnacht/PycharmProjects/untitled10/venv/bin/python /Users/mattfassnacht/PycharmProjects/untitled10/math.py
not in the list
they are the same
Process finished with exit code 0
https://www.youtube.com/watch?v=aaBYOzR9uZo
Comments