# A list
(1, 2, 1, 2, 3);

# An array
@array;

# Array assignment (ARRAY = LIST)
@array = (1, 2, 1, 2, 3);

# List in list context
print (1, 2, 1, 2, 3); # 12123

# Array in list context
print @array; # 12123

# List in scalar context
print scalar (1, 2, 1, 2, 3); # 3 (not 5!!)

# Array in scalar context
print scalar @array; # 5 (not 3!!)