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

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9def find_nth_digit(n):
10 len = 1
11 count = 9
12 start = 1
13 while n > len * count:
14 n -= len * count
15 len += 1
16 count *= 10
17 start *= 10
18 start += (n - 1) / len
19 s = str(start)
20 return int(s[(n - 1) % len])
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84def _check_digit(number):
85 """Calculate a single check digit on the provided part of the number."""
86 weights = (13, 15, 12, 5, 4, 17, 9, 21, 3, 7, 1)
87 s = sum(w * (int(n) if n.isdigit() else alphabet.find(n) + 1)
88 for w, n in zip(weights, number))
89 return 'MQWERTYUIOPASDFGHJKLBZX'[s % 23]
110def calc_check_digit(number):
111 """Calculate the extra digit that should be appended to the number to
112 make it a valid number."""
113 return str(_multiplication_table[checksum(str(number) + '0')].index(0))
19def last_digit_of_integer():
20 """
21 This function prints last digit of a given integer number
22 """
23 print("Exercise 1: Last digit of integer")
24 number = int(input("Enter a number: "))
25
26 print("Last digit of the number is:", (number % 10))
71def calc_check_digit(number):
72 """Calculate the check digit. The number passed should have the check
73 digit included."""
74 checksum = (1 - 2 * int(number[:-1], 13)) % 11
75 return 'X' if checksum == 10 else str(checksum)
54def calc_check_digit(number):
55 """Calculate the check digit for personal codes. The number passed
56 should not have the check digit included."""
57 # note that this algorithm has not been confirmed by an independent source
58 weights = (2, 7, 9, 1, 4, 6, 3, 5, 8, 2, 7, 9)
59 check = sum(w * int(n) for w, n in zip(weights, number)) % 11
60 return '1' if check == 10 else str(check)
48def calc_check_digit(number):
49 """Calculate the check digit. The number passed should not have the
50 check digit included."""
51 weights = (21, 19, 17, 13, 11, 9, 7, 3, 1)
52 return str(sum(w * int(n) for w, n in zip(weights, number)) % 10)
56def calc_check_digit(number):
57 """Calculate the check digits for the number."""
58 return str(sum(int(n) * (7 - i) for i, n in enumerate(number[:6])) % 10)

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