luaConcatenate two strings

a = "Hello "
b = "World"
c = a .. b
print(c)ctrl + cgithub

`a = "Hello "` declares a new variable with a string, the space at the end of Hello is intentionally added	`b = "World"` declares a new variable with another string
`c = a .. b` concatenate strings a and b	`print(c)` print the result