Python Programming : A Modern Approach

Data Structures 2.7

checkin.py

shopping_list = ["Milk", "Bread", "Chocolate spread", "Eggs"]

check = "Eggs" in shopping_list

print(check)

check = "Milk" in shopping_list

print(check)

check = "mango" in shopping_list

print(check)

check = "eggs" in shopping_list

print(check)

check = "Bread" in shopping_list

print(check)

python checkin.py

True

True

False

False

True

You can check for an existing item in a list using the keyword in. In the above program,

the variable check is reassigned multiple times and printed using print().

[To test whether a value is in the list, use in, which returns True if the value is

found or False if it is not.]

Finding the ...