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In this lecture we will learn:
- How to create an empty array?
- How to create an array through user input?
- Array creation by taking the values from a user
- How to search an element in an array?
- Function used to get the index value of an element in python
#1
- We can also create a blank array and can take the values for it from the user.
- First, we have to take the length of an array from the user.
- input() function takes the value in the form of a string, so we have to change it into an integer using int().
- We can run a loop in a range of length of an array given by the user. At each iteration, we can take a value to be inserted in an array.
- append() is a function that is used to add a value or an element in an array.
#2
- To search for any value in an array or to check the index number at which the value is present, we need to increment the value of an iterator variable in every iteration.
- When the condition of comparison gets true, we stop the loop to iterate further and print the value of an iterator variable.
- The iterator variable will return an index number of the value, you have searched for.
#3
- index() function can also be used to get the index number of a value in an array.
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