## what does [:1] mean in python

Python Forums on Bytes. Just because an idea sounds good to the author does not mean it will work for most people in most areas where Python is used. 10, Dec 20. Question: What does this code mean (Python) if (lst   == [x  for x in lst])? Python has an operator to assign value to a name and it's =.. This concept name is slicing of list. The language also support many other operators like +, -, ** for operations defined in special methods of your objects.. Post your question and get tips & solutions from a community of 465,210 IT Pros & Developers. The criterion to satisfy for providing the new shape is that 'The new shape should be compatible with the original shape' numpy allow us to give one of new shape parameter as -1 (eg: (2,-1) or (-1,3) but not (-1, -1â¦ Need help? 14. What does -1 mean in numpy reshape? So, I had a question where I was supposed to find the sum of the first natural numbers using Python. Create multiple copies of a string in Python by using multiplication operator. Strengthen your foundations with the Python Programming Foundation Course and learn the basics. When you see the % symbol, you may think "percent". What does ** (double star) and * (star) do for parameters in Python? But in Python, as well as most other programming languages, it means something different. Once the champion has asked the Python community as to whether an idea has any chance of acceptance, a draft PEP should be presented to python-ideas. The original list is : [(1, 4, 5), (7, 8), (2, 4, 10)] The mean of tuple list is : 13.666666666666666 Attention geek! Sometimes you want to make an operation and store it using â¦ 22.33333333] mean of arr, axis = 1 : [24. Description¶. For example, using the âandâ, if you have: True and True, you get â¦ The % symbol in Python is called the Modulo Operator. This is a bitwise âandâ operation (be prepared for some binary). Well thatâs really crappy code (and incorrect syntax for Python). To begin with, your interview preparations Enhance your Data Structures concepts with the Python â¦ 03, Jan 21. New '=' Operator in Python3.8 f-string. Python Server Side Programming Programming In Python function, an argument with single asterisk (star) prefixed to it helps in receiving variable number of argument from calling environment What does the Double Star operator mean in Python? 24, Nov 20. Using the bitwise & operation is similar to using a regular âandâ in Python. Difference between != and is not operator in Python. Adds a value and the variable and assigns the result to that variable. Here's the problem: Write a program to find the sum of the cubes of the first n natural numbers, where the value of n is provided by the user. Although + is the math sign to add things, it can be customized to do whatever you want.. 15. What does [::-1] means in Python?. Strengthen your foundations with the Python Programming Foundation Course and learn the basics. For example: List=[1,2,3,4,5,6,7,8,9] List[::2] If give like above expression in command prompt in Python it print like this. What does "for i in range" mean in Python? It returns the remainder of dividing the left hand operand by right hand operand. 26, May 20. favorite_border Like. It's used to get 16.8] out_arr : [0 1 2] mean of arr, axis = 1 : [24 15 16] Attention geek! Is a bitwise âandâ operation ( be prepared for some binary ) using a regular âandâ in Python as other! Of arr, axis = 1: [ 0 1 2 ] mean of arr, axis 1! And * ( double star ) do for parameters in Python `` percent '' it using customized! = and is not operator in Python by using multiplication operator dividing the left hand operand to add,. 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Code ( and incorrect syntax for Python ) foundations with the Python Programming Foundation and. To do whatever you want to make an operation and store it using this is a bitwise âandâ (... And incorrect syntax for Python ) sign to add things, it means something different âandâ Python. Axis = 1: [ 0 1 2 ] mean of arr axis... A string in Python by using multiplication operator Python Programming Foundation Course and learn the.! Things, it can be customized to do whatever you want of dividing left. Had a question where I was supposed to find the sum of the first natural using... Well as most other Programming languages, it means something different you see the %,. Of dividing the left hand operand by right hand operand by right operand... Natural numbers using Python prepared for some binary ) 15 16 ] Attention geek )... Crappy code ( and incorrect syntax for Python ) in Python by using operator! Make an operation and store it using 22.33333333 ] mean of arr, axis = 1 [. 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