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Python Programming or project help related to string
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Access characters in string by index
Check if a string contains a sub string
Iterate over the characters in string
Find occurrence a sub-string in string
Compare strings in Python
Replace characters in a string
Remove characters from a string by Index
Check the first or last character of a string
Find frequency of each character in string
Count occurrences of a characters in string
How to pad strings in Python ?
Create multi line string objects in python
How to get first N characters in a string
How to get Last N characters in a string
Related to python Dictionary
Introduction to Dictionaries
Creating Dictionaries in Python
Iterating over dictionaries
Check if a key exists in dictionary
Get all the keys in Dictionary
Get all the Values in a Dictionary
Remove a key from Dictionary
Add key/value pairs in Dictionary
Find keys by value in Dictionary
Filter a dictionary by conditions
Print dictionary line by line
Convert a list to dictionary
Sort a Dictionary by key or Value
Dictionary: Shallow vs Deep Copy
Remove keys while Iterating
Get all keys with maximum value
Merge two or more dictionaries
Related to python List
Create & Initialize Lists
Add or update elements in Lists
Iterate / Loop over Lists in python
Search / Find elements in a List
Remove elements from Lists
Sort list by key or value in python
Merging / Joining Lists in python
Counting elements in Lists
Duplicates in Lists
Convert Lists to other types
Check if two lists are equal or not
Reverse a list, sub list or list of list
Related to python File Handling
Read a file line by line in Python
Open a file using “open with” statement
Search for strings in a file
Remove a file if exists and handle errors
Three ways to check if a file is empty
Get Last Modification date & time of a file
Get Last Access & Creation time of a file
Append text or lines to a file in the end
Get file size in KB, MB or GB in python
How to delete specific lines in a file
Add a column to an existing CSV file
How to append a new row to a CSV file?
Get last N lines of a text file, like tail cmd
How to insert lines at the top of a file?
Read CSV into a list of lists or tuples or dict
Read a file in reverse order line by line
Related to Python Tuple
Create a Tuple and Iterate over it
Find an element in Tuple by value
Add, update & delete in tuple
Related to Python Function
Global variables in a function
Variable number of arguments in function
Variable length key value pair as arguments
Unpack tuple / dictionary as arguments
Lambda functions tutorial & examples
If, else if & else in Lambda Functions
map() function explained with examples
filter() function tutorial with examples
How to use max() function in python?
How to use min() function in python?
Related to Multi-threading in Python
Create a Thread using function
Create a Thread using a Class
Related to Python -Directories
Create a Directory in python
Check if a file or directory exist
Check if a directory is empty
Get list of files in a directory
Delete a directory recursively
Move files and Directories
Get List of all empty Directories
Get the current working directory
Change current working directory
Remove files by pattern or wildcards
Copy files to a directory to other
Move files and directories in python
Related to Date & Time
Get Current date and timestamp
Convert string to a datetime
Last Modification timestamp of a file
Related to Python -Directories
Create a Directory in python
Check if a file or directory exist
Check if a directory is empty
Get list of files in a directory
Delete a directory recursively
Move files and Directories
Get List of all empty Directories
Get the current working directory
Change current working directory
Remove files by pattern or wildcards
Copy files to a directory to other
Move files and directories in python
Related to Python – CSV
Read CSV file line by line in python
Append a new row to an existing csv file
Add a column to an existing CSV file
Save Numpy Array to a CSV File
Read csv file to Dataframe in Pandas
Skip rows while reading csv to Dataframe
Related to python Process Management
Check if a process is running
Get List of all running processes
Related to Iterators & Generators
Iterator vs Iterable vs Iteration
Make a class Iterable
Yield Keyword & Generators
Iterators vs Generators
Related to python Numpy
Create a numpy array from list, tuple or list of lists
Find the index of value in Numpy Array
Select element or sub array by index from numpy array
Select rows / columns by index from a 2D numpy array
Select elements by conditions from Numpy Array
Create a Numpy Array of evenly spaced numbers
How to append elements to a Numpy Array
Find max value & it’s index in Numpy Array | numpy.amax()
Find unique values in a numpy array with frequency & indices
numpy.where() : Tutorial & Examples | Python
numpy.zeros() & numpy.ones() | Create a numpy array of zeros or ones
Create Numpy Array of different shapes & initialize with identical values using numpy.full()
numpy.amin() | Find minimum value in Numpy Array and it’s index
numpy.linspace() | Create same sized samples over an interval in Python
Delete elements, rows or columns from a Numpy Array by index positions using numpy.delete() in Python
How to get Numpy Array Dimensions using numpy.ndarray.shape & numpy.ndarray.size() in Python
Sorting 2D Numpy Array by column or row in Python
How to Reverse a 1D & 2D numpy array using np.flip() and [] operator in Python
How to save Numpy Array to a CSV File using numpy.savetxt() in Python
What is a Structured Numpy Array and how to create and sort it in Python?
How to sort a Numpy Array in Python ?
Append rows or columns to a 2D Numpy Array
How to create a bool Numpy array?
Check if all values in Numpy Array are zero
numpy.reshape() Tutorial with examples
Check if all values are same in Numpy Array
numpy.flatten() – Tutorial with examples
Convert Matrix / 2D Array to 1D Array
Convert a 1D array to a 2D array or Matrix
Related to Python Pandas
Create DataFrame from dictionary in pandas
Get list of column and row names in DataFrame
Change Column & Row names in DataFrame
Select Rows & Columns using loc & iloc in DataFrame
Select Rows based on conditions
Drop rows in DataFrame by index labels
Drop rows in DataFrame by conditions on column values
Drop columns in DataFrame by label Names or Position
Add new columns in a dataFrame
How to add rows in a DataFrame
Count NaN or missing values in DataFrame
Convert lists to a dataframe
Find & Drop duplicate columns in a DataFrame
Create an empty DataFrame and add data to it later
Pandas : Check if a DataFrame is empty in Python
Pandas : Find duplicate rows in a Dataframe based on all or selected columns using DataFrame.duplicated() in Python
Pandas : skip rows while reading csv file to a Dataframe using read_csv() in Python
pandas.apply(): Apply a function to each row/column in Dataframe
Pandas: Sort rows or columns in Dataframe based on values using Dataframe.sort_values()
Pandas: Find maximum values & position in columns or rows of a Dataframe
Pandas : How to Merge Dataframes using Dataframe.merge() in Python – Part 1
Pandas : Merge Dataframes on specific columns or on index in Python – Part 2
Pandas : How to merge Dataframes by index using Dataframe.merge() – Part 3
Pandas : count rows in a dataframe | all or those only that satisfy a condition
Pandas : Read csv file to Dataframe with custom delimiter in Python
Pandas : 6 Different ways to iterate over rows in a Dataframe & Update while iterating row by row
Pandas : Loop or Iterate over all or certain columns of a dataframe
Get minimum values in rows or columns & their index position in Dataframe using Python
Apply a function to single or selected columns or rows in Dataframe
Sort a DataFrame based on column names or row index labels using Dataframe.sort_index() in Pandas
Pandas : Drop rows from a dataframe with missing values or NaN in columns
Get unique values in columns of a Dataframe in Python
Change data type of single or multiple columns of Dataframe in Python
Check if a value exists in a DataFrame using in & not in operator | isin()
Select first or last N rows in a Dataframe using head() & tail()
How to display full Dataframe i.e. print all rows & columns without truncation
Find indexes of an element in pandas dataframe
Convert a dataframe column into a list using Series.to_list() or numpy.ndarray.tolist() in python
Convert a DataFrame into a list of rows or columns in python | (list of lists)
Convert Dataframe index into column using dataframe.reset_index() in python
Convert Dataframe column into an index using set_index() in Python
Get frequency of a value in dataframe column/index
Convert Dataframe column type from string to date time
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