Python

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

commands in numpy to create an array

np.array()

Dictionary

Dictionaries are used to store data values in key:value pairs. A dictionary is a collection which is ordered*, changeable and do not allow duplicates. Dictionary items are presented in key:value pairs, and can be referred to by using the key name.

List

Lists are used to store multiple items in a single variable. Lists are created using square brackets [] List items are ordered, changeable, and allow duplicate values (O,C,A) List items are indexed, the first item has index [0], the second item has index [1] etc.

is a Python library is used for working with arrays. is short for "Numerical Python".

NumPy

Sets

Sets are used to store multiple items in a single variable. A set is a collection which is unordered, unchangeable*, and unindexed. Set items are unordered, unchangeable, and do not allow duplicate values.

means taking elements from one given index to another given index [start:end:step]

Slicing arrays arr = np.array([1, 2, 3, 4, 5, 6, 7]) print(arr[-3:-1])

Tuples

Tuples are used to store multiple items in a single variable. Tuple is one of 4 built-in data types in Python used to store collections of data, the other 3 are List, Set, and Dictionary, all with different qualities and usage. A tuple is a collection which is ordered and unchangeable. Tuples are written with round brackets. Tuple items are ordered, unchangeable, and allow duplicate values. Tuple items are indexed, the first item has index [0], the second item has index [1] etc.

can be a class or instance _______________________ which defines as the variables .

attributes

property that returns the data type of the array

dtype

This method allows you to format selected parts of a string.

format()

attribute that returns an integer that tells us how many dimensions the array have

ndim


Kaugnay na mga set ng pag-aaral

Quiz 5 Review: Part 1 Momentum and Collision

View Set

Tradeoffs Associated with digital data 1-10

View Set

CS 332/ 532 Systems Programming Lecture Two Introduction

View Set

LS1 Week 8 Chapter 55 Management of Pt With Urinary Disorders

View Set

The Nature, Components, Types, and Physiology of Pain

View Set