# Exercise: Greeting, Depending on Time of Day¶

1. A greeting has to be composed automatically, based upon time of day and sex.

• Use the input() function to prompt the user on stdin for three variables,

• Name

• Sex. Valid inputs are m (male) and f (female); all other input leads to program termination.

• Hour of day. Valid inputs are number 0 through 23; all other input leads to program termination.

• Depending on the hour of day, the greeting starts with

• 0 - 9: “Good morning, “

• 10 - 17: “Good day, “

• 18 - 23: “Good evening, “

• Depending on the sex, the greeting continues with “Mrs.” or “Mr.”.

• Last comes the name.

• Finally, the greeting is output on stdout