## Python enumerate to simplify the looping

Python enumerate built-in function allows iterating over list and dictionary and helps to access its items along with index values

Python enumerate built-in function allows iterating over list and dictionary and helps to access its items along with index values

Python tuples initialization and operations

`%in%`

and `%notin%`

operators in R
Learn how to use %in% operator in R

Learn different methods to get column names from pandas DataFrame

Learn different methods to rename column names in pandas DataFrame

Learn how to get last any number of characters of the strings in Python

Learn how to split the value in pandas DataFrame column and create new columns

Learn how to get remove any number of characters of the strings in Python

Pearson Chi-square test, chi-square goodness of fit test, formula, assumptions, example in Python, and interpretation

Create two and three-way Venn diagrams in Python and R

Learn when to use t-test, types of t-test, assumptions, hypothesis, and formula for each type of test, and t-test calculation in Python

Learn when to use Mann-Whitney U test, assumptions, hypothesis, and formula, and test calculation in Python