Epython Lab

#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

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#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

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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

With some correction. This is not an array but it is a python list.

#ControlStatement #FlowProgram #PythonLoop #DataScience What is the exact output? #ProtectCoronaVirus

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#Ans:- Operations in #Python are appropriate to the type of data involved, so for the above example the result is the text '2278' not the number 100.

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#PythonQ&A #DataCollection females = sets (['marge', 'maude', 'lisa', 'maggie', 'edna' ]) Simpsons = sets (['homer', 'marge', 'bart', 'lisa', 'maggie']) Finding the common elements Post your solution @pythonEthBot

#Solution #reverse #PythonList #DataScience #Bioinformatics

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#PythonQ&A #DataScience #Bioinformatics numbers = [ 6, 0, 2, 2, 1, 4, 1, 5] Print out the above list items in a reverse order? Post your answer @pythonEthBot

#PythonModule #DataScience #Bioinformatics