if_name__main.py

def printhero(s):
    return f"Ye fun mujhe de de Thakur {s}"
def add(first , second):
    return first + second + 5
if __name__ == '__main__': #yeh isliye bnaye taaki jab dusra file me import krne par sb execute na ho jaye #name main tb hota h jab function jisme bna hai usme execute ho jaise ki ye
    print(printhero("Harry Potter"))
    o = add(2,4)
    print(o)