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Introduction
List basics
Lists with if statements and loops
11. The in operator
Lists in functions
Summary

## Instruction

Great. Lists in Python work great with if statements. Suppose we want to check if a value is present in the list:

# define a list
companies = ...
# check if AXA is there
if 'AXA' in companies:
print('AXA found')
else:


We used the in operator to check if 'AXA' is present in companies. You can also use the not in operator to check if an item is missing.

## Exercise

You are given a list of 12 values in a variable named tourist_arrivals. The values represent the number of tourists (in millions) that visited France in each month of 2016.

Write a program that will ask the user for a number and will check if there is any month whose value is exactly this number. If there is such a month, print:

Value found.

Otherwise, print:

Value not found.

### Stuck? Here's a hint!

Use the following construction:

if number in tourist_arrivals:
# do something
else:
# do something else