Get the first digit of a number python

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August undefined, 2024

WebJan 15, 2024 · This would give a string. To get an int, just wrap with int: Simpler way to extract last two digits of the number (less efficient) is to convert the number to str and slice the last two digits of the number. For example: # sample function def get_last_digits (num, last_digits_count=2): return int (str (num) [-last_digits_count:]) # ^ convert ...

How to take the nth digit of a number in python - Stack Overflow

WebJan 7, 2015 · t = df.checkVar.dropna ().astype (str).str [0].astype (int) #get a series of the first digits of non-nan numbers df ['newVar'] = ( (t > 5) (t < 2)).astype (int) df.newVar = df.newVar.fillna (0) this might be slightly better, unsure, but … WebMar 31, 2024 · Python: get first number of every float in a list Ask Question Asked 6 years ago Modified 2 years, 6 months ago Viewed 5k times 1 python beginner here. How can I convert list = [2.4, 4.8532, 5.43253, 55.3838] to list = [2, 4, 5, 5] Thanks. python list Share Improve this question Follow edited Sep 20, 2024 at 1:10 asked Mar 31, 2024 at 1:44 21rw different accountant titles

python - Getting only 1 decimal place - Stack Overflow

WebFeb 11, 2024 · The easiest way to get the first digit of a number in Python is converting the number to a string variable, and then access the first element of that string. Below is … WebSep 22, 2016 · First treat the number like a string number = 9876543210 number = str (number) Then to get the first digit: number [0] The fourth digit: number [3] EDIT: … WebOct 20, 2011 · public static string GetFirstNumber (this string source) { if (string.IsNullOrEmpty (source) == false) { // take non digits from string start string notNumber = new string (source.TakeWhile (c => Char.IsDigit (c) == false).ToArray ()); if (string.IsNullOrEmpty (notNumber) == false) { //replace non digit chars from string start … formation body balance

How to Get the First Digit of a Number in Python - Know Program

java - Retrieving the first digit of a number - Stack Overflow

WebJul 1, 2024 · If all your numbers have 4 digits, you can simply use df ['F'] = df ['D'] // 100. For larger dataframes, these numeric methods will be more efficient than converting integers … WebTo get the second digit, we divide by ten and then apply the operator %. After that, we get the third digit dividing by ten, two times, and then use the operator %. To get the n-th digit, we divide n-1 times by ten and then use the modulus operator (%). That is … different accountantsWebJun 14, 2024 · Python code to print the first digit of a number using typecast Code: num = int(input("Enter number: ")) num_str = str(num) print(num_str[0]) Output: Enter number: 34501 3 Python code to print the first digit of a number using iteration Code: num = int(input("Enter number: ")) first_digit_of_number = num while (first_digit_of_number … different access in power bi

"WebSep 27, 2024 · how to get each digit of a number Code Example September 27, 2024 6:18 AM / Python how to get each digit of a number Kiran int number; // = some int while (number > 0) { print ( number % 10); number = number / 10; } View another examples Add Own solution Log in, to leave a comment 4.5 2 Lombard 130 points " - Get the first digit of a number python

Get the first digit of a number python

python - How to find length of digits in an integer? - Stack Overflow

WebYou use the modulo operator: while (score) { printf ("%d\n", score % 10); score /= 10; } Note that this will give you the digits in reverse order (i.e. least significant digit first). If you want the most significant digit first, you'll have to store the digits in an array, then read them out in reverse order. Share Improve this answer We will take a number while declaring the variable. Then, we will run the while loop to find the first digit of a number we divide the given number by 10 until the number is greater than 10. In the end, we are left with the first digit. Finally, the first digit of the number will be displayed on the screen. Output:- … See more We are using the built-in functions called math.pow and log10. math.pow( ) method is a library method of the math module, it is used to calculate the given power of a base, it accepts two … See more In python, String provides an [ ] operator to access any character in the string by index position. We need to pass the index position in the … See more We will get the first character of the string using the slice operator. The [:1] specifies the character at index 0. The string[:1]specifies the first characters of the given string. Output:- Enter any Number: 100 The … See more

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WebSep 1, 2010 · Python code using your approach: def digits (n): ds = [] while n > 0: ds.append (n % 10) n /= 10 ds.reverse () return ds Using convertation to string: def digits (n): return map (int, str (n)) Share Improve this answer Follow edited Dec 19, 2013 at 2:05 smac89 37.8k 15 127 173 answered Sep 1, 2010 at 0:15 Vadim Shender 6,683 1 15 10 WebFeb 11, 2024 · The easiest way to get the first digit of a number in Python is converting the number to a string variable, and then access the first element of that string. Below is a Python function for you to be able to extract the first digit of a number in your Python code. def getFirstDigit(num): return str(num)[0] print(getFirstDigit(100))

WebAug 11, 2024 · The downside of the other answers is using [0] to select the first character, but as noted, this breaks on the empty string. Using the following circumvents this problem, and, in my opinion, gives the prettiest and most readable syntax of the options we have. It also does not import/bother with regex either): WebAug 28, 2024 · Convert to a string, reverse the string, and then take the index of the string and convert the string back into an integer. This works: def nth_digit (digit, n): digit = str (digit) return int (digit [::-1] [n]) Let me know if this works for you! Share Follow answered Aug 28, 2024 at 16:13 CodeRocks 625 4 9 24 Add a comment -2

WebMay 16, 2024 · python - Getting only 1 decimal place - Stack Overflow Getting only 1 decimal place [duplicate] Ask Question Asked 12 years, 8 months ago Modified 2 years, 4 months ago Viewed 334k times 141 This question already has answers here: Limiting floats to two decimal points (36 answers) Closed 7 years ago. How do I convert 45.34531 to … WebNov 5, 2024 · answered Nov 5, 2024 at 20:09. The_spider. 1,072 1 7 17. Add a comment. 0. >>> n = '9876' >>> n [1:] '876'. Convert the number to a string if its not alrrady and then just slice the string as above to exclude the first character. Note that you have to assign this value to n to actually change the value of n; n = n [1:] Share.

WebTo get the first digit of a number: Convert the number to a string using the str() Function. Use the square brackets syntax [] to access the first character of a string. Convert the …

WebDec 10, 2024 · To find first digit of a number we divide the given number by 10 until number is greater than 10. At the end we are left with the … different accounting career pathWebFeb 3, 2010 · All math.log10 solutions will give you problems. math.log10 is fast but gives problem when your number is greater than 999999999999997. This is because the float have too many .9s, causing the result to round up. different accounting career pathsWebOct 17, 2024 · As the other solutions say, to find the index of the first digit in the string we can use regular expressions: >>> s = 'xdtwkeltjwlkejt7wthwk89lk' >>> match = re.search (r'\d', s) >>> print match.start () if match else 'No digits found' 15 … formation bodyguardWebIf you want to keep summing the digits until you get a single-digit number (one of my favorite characteristics of numbers divisible by 9) you can do: def digital_root(n): x = sum(int(digit) for digit in str(n)) if x < 10: return x else: return digital_root(x) Which actually turns out to be pretty fast itself... formation body combatWebMy first step was to extract the numbers from the string. Headline = "redirectDetail ('27184','2 -New-York-Explorer-Pass')" print (re.findall ('\d+', headline )) Output is ['27184', '2'] In this case it returned me two numbers but I only want to have the first one "27184". Hence, I tried with the following code: different accounting degreesWebThe logic is first to convert the given value to a string and then convert it into the list to call the last digit by calling the -1 index. After that, convert it into an integer to wrap it up. val is a variable that represents any integer. formation bodyguard belgiqueWebMay 7, 2024 · You can get the decimal part of a number as follows: >> num = 42.56 >> decimal_part = num - int (num) >> decimal_part = 0.56 This post explores a similar question. Share Follow edited May 23, 2024 at 12:18 Community Bot 1 1 answered May 7, 2024 at 7:46 xssChauhan 2,678 2 24 36 Add a comment 0 formation body pump