def output_text(): 
    # start of the body or block of the function
    print("Welcome to the progmam!")
    print("It's nice to meet you.")
    print("Have a wonderful day programming")
    # end of the body or block of the function

# so far we have declared the function. If we run it now, nothing will happen. We need to call it or invoke the function now for it to run.

output_text()
# this is calling or invoking the function

output_text()
# this is us reusing the function without having to write out all the three print statements again.