Python Programming
Python is one of the hottest programming languages of 2020
With the emerging trend of Data science & machine learning. Python can surely help you grab a high paying programming job.
We have create a series of Python Tutorials and several practical examples
Learn Python
Table of Contents
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Chapter 1: Introduction to Python
- Python – Keywords and Identifiers :
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- In python keywords are the reserved words for special purposes. Identifiers are the names which we choose for custom variables, functions, or classes in a python program. Learn more important rules and facts about keywords and identifiers in python. Read More......
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- Python Variables:
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- In python, a variable is a like tag or reference that points to an object in the memory. Learn important points about variables in python, like creating variables and changing the value of a variable etc. Read More....
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- Literals in Python:
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- A Literal in python is a raw data or a constant value that can be assigned to variable. There are different types of literals in python like, Numeric Literals, String Literals and Bool Literals. Learn more about them. Read More....
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Chapter 2: Conditional Expressions
- if-statement:
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- Learn how to control the flow of code using if-statement . Read More......
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- if...else statement:
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- Learn to alter the flow of code in two directions based on conditions. Read More....
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- if...else if...else statement:
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- Learn how if, else if and else works in python and understand alter the flow of code in multiple directions based on various conditions. Read More....
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- if...else in one line:
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- Learn how to use the if-else in a single line, and it will give the same effect as the ternary operator. Read More....
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Chapter 3: Loops in Python
- while-loop in python:
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- A while loop in python executes a group of statements or a suite of statements multiple times, till a given condition is True. Read More......
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- for-loop in python:
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- Iterate over a group of statements multiple times using a for loop. But the number of times these statements will be executed by a for loop depends upon a sequence. Read More....
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- break keyword and loops
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- Learn how to use the break keyword in python to break the flow of loops abruptly. Read More....
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- continue keyword and loops
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- Calling the continue keyword inside the loop, will make the control jump to the starting of the while loop again. All the lines after the continue keyword will get skipped for that particular iteration. Read More....
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Chapter 4: List Datatype
- Creating Lists
- Add or update elements in Lists
- Iterate / Loop over Lists
- Remove elements from Lists
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- Remove elements from list by value
- Remove elements from list by index or indices
- Remove elements from a list while iterating
- Remove first element from a list (5 Ways)
- Remove last element from a list in Python
- Remove element from a list by value or index in python.
- How to remove duplicates from a list in python?
- How to remove multiple elements from a list in python?
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- Search / Find elements in a List
- Sort a list by key or Value
- Merging / Joining Lists
- Counting elements in Lists
- Duplicates in Lists
- Convert Lists to other types
Chapter 5: strings
- 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
Chapter 6: Dictionaries
- What is a dictionary in Python?
- How to create a dictionary in Python?
- How to iterate over a dictionary?
- How to check if a key exists in dictionary?
- How to remove a key from Dictionary?
- How to add a key/value pairs in Dictionary?
- How to convert dictionary keys to a list?
- How to print dictionary line by line?
- How to sort a dictionary by key or Value?
- How to get keys with maximum value?
- How to convert dictionary values to a list?
- How to iterate over a dictionary sorted by value
- How to create dataFrame from dictionary ?
- How to Iterate over nested dictionary ?
- How to iterate over a dictionary sorted by key
- How to merge two or more dictionaries?
- How to iterate over dictionary & remove items?
- How to create dataframe from list of dictionaries?
- How to pretty print nested dictionary?
- How to check if a value exists in a dictionary?
Chapter 7: Tuples
Chapter 8: Functions
- 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?
Chapter 9: Iterators and Generators
Chapter 10: 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
Chapter 11: Directory Management
- 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
Chapter 12: Working with CSV files
Chapter 13: Zip – Unzip files
Chapter 14: Process Management
Chapter 15: Threads
Chapter 16: Date Time Management
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