The Answer is 1, 5, 14, 30, 55, 91
this is b/c
first the x (the first no. in array) multiply it self b/c of "Bodmas" rule then added to initial "total" (which is 0) then the new value of "total" is updated to (0 + x*x ) ..
eg. the first no. in array is 1 so 1 multply it self then added to total (0) this meams 👉(0+1*1) = 1 so the new value of var "total" is 1 !

this continued until reaches the last number in array ........
total = 0 +1*1 = 1
total = 1+2*2 =5
total = 5 + 3*3 =14 ... and soon

@official_gemechis

#COVID-19 is our challenge.

#Python #DataScience #String

There are two functions that let you determine the positions of (the first occurrence of) a substring inside a string.

Example:- text = "Data Science"

Can you determine the position of "Sci" using both of the functions?

Post your solution @pythonEthBot

#COVID-19 is our challenge

✅ Do the following everyday

1. Wash your hand
2. Stop shake your hand
3. Keep 1M distance with the other person
4. Don't touch anything else

Then protect #COVID19

#Solution
1. Using index() function we can determine the position of the first character of the substring in the string example: text.index("Sci") is 5.
2. The same thing we can use find() function
Example: text.find("Sci") is 5.

Note: the difference between these functions in how they deal with the situation when the substring is not contained in the string. For the index() function an error is generated but instead the find() function returns -1.
Example: text.find("s") # -1
text.index("s) # return error
Because small "s" is not found in the string "Data Science"

#DataScience #String #Python

#Prevent #COVID19

#Q1

#DataScience #Python #String

You can split up your string into separate substrings according to the presence of whitespace. This creates a list of strings, where a 'list' is simply a container for the strings. Lists are Python objects in thier own right and we will discuss further in the next time.

In the other way we can also combine a list of strings and create a single long text.

Q: what functions we use to separate and combine strings? Explain using examples.

Post your solution @pythonEthBot

#PreventCOVID19

#Solution for #Q1 by @oneyedking

split() function used to split string to substrings
Example :
Str = "coding with python"
Str.split(' ')
Result : "coding", "with", "python"

By @met_asploit

There are built in func
split and join
while split is used to separate a string and create a list , join is used to combine list and create a string
>>> a = ['a' , 'b' , 'c' , 'd']
>>>' '.join(a)
'a b c'
>>>b = 'hello how are you'
>>>b.split(' ')
['hello' , 'how' , 'are' , 'you']

Python and PyQt: Building a GUI Desktop Calculator

https://realpython.com/python-pyqt-gui-calculator/

For discussion use https://t.me/joinchat/H8JEqEojXCb0mUfnlAqbVA

#Q2
Collection data types

As well as the simple types, Python has several common collection data types, tuples, lists, sets and dictionaries, that provide a means of bringing multiple items together into a container.

Can you define each of the collection data types with simple example?

Post your solution @pythonEthBot

#DataScience #DataCollection
#PreventCOVID19

#Solution for #Q2
#DataScience #DataCollection
#Collectiondatatype

We will continue discussing on other collection types in next time.

Stay tuned


✅Apply health advises.

#QuarantineYourself

#DataScience #Bioinformatics #PythonModule #DataCollection

USE pip install covid if you are installed python 2 and pip3 install covid for python3

This sample how to get data

Get list of countries

Get status by country I'd

#Ethiopia

For more check https://pypi.org/project/covid/

#DataScience #Bioinformatics #PythonModule #COVID19

#COVID19 data analysis using #Pandas

#DataScience #Bioinformatics