greet.py

#function definition
def greet(): 
  print("Hello from a function")
  print("Have a great day")

#function call
greet()
# Hello from a function
# Have a great day

def personal_greet(name): 
  print("Hello", name)
  print("Have a great day")

#function calls
personal_greet("Sarah") 
personal_greet("Henry")
# Hello Sarah
# Have a great day
# Hello Henry
# Have a great day