8 examples of 'python first digit in number' in Python

9
def find_nth_digit(n):
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    len = 1
11
    count = 9
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    start = 1
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    while n > len * count:
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        n -= len * count
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        len += 1
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        count *= 10
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        start *= 10
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    start += (n - 1) / len
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    s = str(start)
20
    return int(s[(n - 1) % len])

84
def _check_digit(number):
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    """Calculate a single check digit on the provided part of the number."""
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    weights = (13, 15, 12, 5, 4, 17, 9, 21, 3, 7, 1)
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    s = sum(w * (int(n) if n.isdigit() else alphabet.find(n) + 1)
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            for w, n in zip(weights, number))
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    return 'MQWERTYUIOPASDFGHJKLBZX'[s % 23]

110
def calc_check_digit(number):
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    """Calculate the extra digit that should be appended to the number to
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    make it a valid number."""
113
    return str(_multiplication_table[checksum(str(number) + '0')].index(0))

19
def last_digit_of_integer():
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    """
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    This function prints last digit of a given integer number
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    """
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    print("Exercise 1: Last digit of integer")
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    number = int(input("Enter a number: "))
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26
    print("Last digit of the number is:", (number % 10))

71
def calc_check_digit(number):
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    """Calculate the check digit. The number passed should have the check
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    digit included."""
74
    checksum = (1 - 2 * int(number[:-1], 13)) % 11
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    return 'X' if checksum == 10 else str(checksum)

54
def calc_check_digit(number):
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    """Calculate the check digit for personal codes. The number passed
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    should not have the check digit included."""
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    # note that this algorithm has not been confirmed by an independent source
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    weights = (2, 7, 9, 1, 4, 6, 3, 5, 8, 2, 7, 9)
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    check = sum(w * int(n) for w, n in zip(weights, number)) % 11
60
    return '1' if check == 10 else str(check)

48
def calc_check_digit(number):
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    """Calculate the check digit. The number passed should not have the
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    check digit included."""
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    weights = (21, 19, 17, 13, 11, 9, 7, 3, 1)
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    return str(sum(w * int(n) for w, n in zip(weights, number)) % 10)

56
def calc_check_digit(number):
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    """Calculate the check digits for the number."""
58
    return str(sum(int(n) * (7 - i) for i, n in enumerate(number[:6])) % 10)