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Nikolay [14]
2 years ago
13

What are 3 websites that talk about density of different gases, density in air, behavior of different gases of earth, convection

? PLZ HELP I NEED THIS!!
Computers and Technology
1 answer:
Tanzania [10]2 years ago
6 0
I don’t know if this supports all, but try lenntech, duckters, and I will add on later
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Write a Python program string_functions.py that defines several functions. Each function re-implements Python's built-in string
Svetach [21]

Answer:

def length( mystring):

   count = 0

   for i in mystring:

       count += 1

   return count

def reversed( mystring):

   strlist = []

   for i in range(length(mystring)):

       strlist.append(mystring[(length(mystring) - 1) - i])

       txt = "".join(strlist)

   return txt

string = 'Yolanda'

print(reversed(string))

Explanation:

The python module defines two functions 'reversed' and 'length'. The length function counts the number of characters in a string variable while the reversed function reverses the string variable value.

3 0
2 years ago
Write a Python function called validateCreditCard that takes 8-digit credit card number as the input parameter (string value) an
babunello [35]

Answer:

def validateCreditCard(x):

      if type(x)==str and len(x) == 8:

           print("Valid credit card number")

      else:

          print("Invalid credit card number")

validateCreditCard("43589795")

Explanation:

Run the code on your text editor(vs code, sublime, pycharm ) you will get your desired response. If your input is not of type string and not up to 8 digit you will get the response "invalid credit card number" but if it is of type string and up to 8 digit you will get "Valid credit card number".

But remember python works with indentation so when you are transferring this code to your text editor it will run properly well.

I defined the code using the conventional pattern "def"

After defining the function you create a brackets (x) to accommodate your argument x and end it with a semi colon.  

Then i use "if" statement to make sure only string argument and 8 digit value will be accepted to print a "valid credit card". if your argument does not pass the if statement condition it will print out the else statement condition which is "Invalid credit card number"

Finally, you have to call your function and test various values.

     

   

6 0
3 years ago
Olivia wants to change some settings in Outlook. What are the steps she will use to get to that function? open Outlook → File →
Rainbow [258]

Answer:

C.

Explanation:

edg 2020

3 0
2 years ago
Read 2 more answers
What are the benefits of a relationship in RDBMS <br>​
natali 33 [55]

Answer:

To sum up all the advantages of using the relational database over any other type of database, a relational database helps in maintaining the data integrity, data accuracy, reduces data redundancy to minimum or zero, data scalability, data flexibility and facilitates makes it easy to implement security methods.

Explanation:

I hope it helps you..

Just correct me if I'm wrong..

4 0
2 years ago
Java provides a number of interfaces and classes to systematically implement collections.
solmaris [256]

Answer:

A) True

Explanation:

Java provides collections architecture or framework used to store and manipulate a group of objects or collections.

The collection framework has interfaces which include; Set, Queue, Deque, List, as well as classes which include; Hashset, ArrayList, LinkedList, LinkedHashset, PriorityQueue, Vector and TreeSet.

There are also many methods declared in the collection interface which include; add(), addAll(), remove(), removeAll(),retainAll(), clear(), size(), iterator(), toArray() etc

4 0
3 years ago
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