def countAlphaBet(txt: str) -> int:
    count = 0
    for char in txt:
        if char.isalpha():  # בודק אם התו הוא אות
            count += 1
    return count

def main_1ex():
    txt1 = "Hello World!"
    print(f'in {txt1} there are {countAlphaBet(txt1)} alphabetic characters')
    
    txt2 = "123 test 123 test"
    print(f'in {txt2} there are {countAlphaBet(txt2)} alphabetic characters')

main_1ex()