Computer scienceProgramming languagesPythonPython librariesRegular expressions

Match object and flags

Theory

Printing the matched string

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Your task is to write a program that will explicitly print the greeting if it is at the beginning of the string, and prints "No greeting!" otherwise. The possible greetings are: "Good morning", "Good afternoon" and "Good evening".

Sample Input 1: 

Good morning

Sample Output 1: 

Good morning
Write a program in Python 3
import re

string = input()
# your code here
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