golgor

# Returns a function with n preset when the function handle is created!
def adder(n):
    def inner(x):
        return x + n
    return inner

# Creating preloaded functions
add_1 = adder(1)
add_100 = adder(100)

golgor

a = 0
b = 1
# If a is "falsy" a is returned, b/a is not evaluated (i.e. no division by zero error). Otherwise b/a is returned.
print(a and b/a)

s = ""
# Returning "" if the string is "". In any other case it returns the first character in the string.
# Avoiding trying to indexing s when s does not have any characters or of None type.
print(s and s[0])

golgor

# Can be used as 'docker run --name=name container --entrypoint /entrypoint.sh'
while :;           # Run an endless loop,
do :;              # of do nothing,
done &             # as background task.
kill -STOP $!      # Stop the background task.
wait $!            # Wait forever, because background task process has been stopped.



# Alternative is using the tail command.