HW4Q2

def countChars(file):
    countDigits = 0
    countLower = 0
    countUpper = 0
    countSpace = 0
    line = file.readline()

    while line != '':
        i = 0
        # check for each char if it's a digit, upper, lower or space
        while i < len(line):
            if line[i].isdigit():
                countDigits += 1
            if line[i].islower():
                countLower += 1
            if line[i].isupper():
                countUpper += 1
            if line[i].isspace():
                countSpace += 1
            i += 1
        line = file.readline()
    print(countDigits)
    print(countLower)
    print(countUpper)
    print(countSpace)


def main():
    # txtName = input("Enter file name")
    fileContent = open('Q2file', 'r')
    countChars(fileContent)


main()