Untitled

# User-friendly prime factor calculator

number = 0

while number <= 0:
    try:
        original = input("Enter a positive integer: ")
        number = int(original)
        if number > 0:
            break #breaks out of the prompt to input a positive integer, once user successfully enters positive integer
        print("Incorrect input, please enter positive integer")
    except ValueError:
        print("Incorrect input, please enter positive integer")

print("The prime factors are: ")
for fac in range(2, int(number + 1)):
    if number % fac == 0:
        prime = True
        for i in range(2, fac):
            if fac % i == 0:
                prime = False
                break
        if prime:
            print(fac)
            
####
# User-friendly smart prime factor calculator

number = 0

while number <= 0:
    try:
        original = input("Enter a positive integer: ")
        number = int(original)
        if number > 0:
            break #breaks out of the prompt to input a positive integer, once user successfully enters positive integer
        print("The input is negative/zero, enter a positive integer")
    except ValueError:
        extracted = ""
        for ch in original:
            if ch.isdigit():
                extracted = extracted + ch
        if len(extracted) == 0:
            print("Input consists of no digits, please enter positive integer")
        else:
            print("Warning: The input was cleaned to extract the digits. The input was", original + ",", "and the extracted integer was", extracted)
            number = int(extracted)
        if number > 0:
            break #breaks out of the prompt to input a positive integer, once user successfully enters positive integer
        print("The input is negative/zero, enter a positive integer")

print("The prime factors are: ")
for fac in range(2, int(number + 1)):
    if number % fac == 0:
        prime = True
        for i in range(2, fac):
            if fac % i == 0:
                prime = False
                break
        if prime:
            print(fac)


####
# Number of words in a sentence

end = "end program"

while True:
    sentence = input("Enter a sentence written in English: ")
    if sentence == end:
        break
    space_count = 0
    for ch in sentence:
        if ch == " ":
            space_count = space_count + 1
    print("Word count:", space_count + 1)