Examples

These examples map directly to files in the repository's examples/ directory.

Hello World

Source: examples/hello.xe

print("Hello, World!")

Functions and repeat

Source: examples/functions.xe

function greet(name):
    print("Hello " + name)
    return 0

greet("World")

repeat 3 times:
    print("XE is cool!")

While loop

Source: examples/while_loop.xe

count = 0

while count < 5:
    print(count)
    count = count + 1

For loop

Source: examples/for_loop.xe

total = 0

for item in [1, 2, 3, 4]:
    total = total + item

print(total)

Elif chain

Source: examples/elif.xe

score = 82

if score >= 90:
    print("A")
elif score >= 80:
    print("B")
else:
    print("Keep going")

Lists

Source: examples/lists.xe

fruits = ["apple", "banana", "cherry"]
print("First fruit: " + fruits[0])
print("Second fruit: " + fruits[1])
print("List length: " + convert(length(fruits), "text"))

Input demo

Source: examples/input_demo.xe

name = input("Enter your name: ")
print("Hello, " + name)

age_text = input("Enter your age: ")
age = convert(age_text, "number")
next_year = age + 1
print("Next year you will be: " + convert(next_year, "text"))

Built-ins

Source: examples/builtins.xe

print("length of 'hello':", length("hello"))
print("type of 42:", type(42))
x = convert("100", "number")
print("converted:", x + 5)

Fibonacci

Source: examples/fib.xe

function fib(n):
    if n <= 1:
        return n
    return fib(n - 1) + fib(n - 2)

print(fib(10))

More practice examples

Factorial

function factorial(n):
    if n <= 0:
        return 1
    return n * factorial(n - 1)

print(factorial(5))

Nested if

age = 20
has_ticket = true

if age >= 18:
    if has_ticket:
        print("You can enter")
    else:
        print("Need a ticket")
else:
    print("Must be 18 or older")

Sum 1 to N

function sum_to_n(n):
    if n <= 0:
        return 0
    return n + sum_to_n(n - 1)

print(sum_to_n(10))