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Quick Python Cheat Sheet for Beginners 🐍✍️ Python is widely used for data analysis, automation, and AI—perfect for beginners starting their coding journey. Aggregation Functions 📊 • sum(list) → Adds all values 👉 sum([1,2,3]) = 6 • len(list) → Counts total elements 👉 len([1,2,3]) = 3 • max(list) → Highest value 👉 max([4,7,2]) = 7 • min(list) → Lowest value 👉 min([4,7,2]) = 2 • sum(list)/len(list) → Average 👉 sum([10,20])/2 = 15 Lookup / Searching 🔍 • in → Check existence 👉 5 in [1,2,5] = True • list.index(value) → Position of value 👉 [10,20,30].index(20) = 1 • Dictionary lookup 👉 data = {"name": "John", "age": 25} data["name"] # John Logical Operations 🧠 • if condition: → Decision making 👉 if x > 10: print("High") else: print("Low") • and → All conditions true • or → Any condition true • not → Reverse condition Text (String) Functions 🔤 • len(text) → Length 👉 len("hello") = 5 • text.lower() → Lowercase • text.upper() → Uppercase • text.strip() → Remove spaces 👉 " hi ".strip() = "hi" • text.replace(old, new) 👉 "hi".replace("h","H") = "Hi" • String concatenation 👉 "Hello " + "World" Date Time Functions 📅 • from datetime import datetime • datetime.now() → Current date time • Extract values: now = datetime.now() now.year now.month now.day Math Functions ➗ • import math • math.sqrt(x) → Square root • math.ceil(x) → Round up • math.floor(x) → Round down • abs(x) → Absolute value Conditional Aggregation (Like Excel SUMIF) ⚡ • Using list comprehension nums = [10, 20, 30, 40] sum(x for x in nums if x > 20) # 70 • Count condition len([x for x in nums if x > 20]) # 2 Pro Tip for Data Analysts 💡 👉 For real-world work, use libraries: pandas numpy Example: import pandas as pd df["salary"].mean() Python Resources: https://whatsapp.com/channel/0029VaiM08SDuMRaGKd9Wv0L Double Tap ♥️ For More

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Quick Excel Functions Cheat Sheet for Beginners 📊✍️ Excel offers powerful functions for data analysis, calculations, and automation—perfect for beginners handling spreadsheets. ▎Aggregation Functions • SUM(range): Totals all values in a range, e.g., SUM(A1:A10). • AVERAGE(range): Computes the mean of numbers, ignoring blanks. • COUNT(range): Counts cells with numbers. • COUNTA(range): Counts non-empty cells. • MAX(range): Finds the highest value. • MIN(range): Finds the lowest value. ▎Lookup Functions • VLOOKUP(value, table, col_index, [range_lookup]): Searches vertically for a value and returns from specified column. • HLOOKUP(value, table, row_index, [range_lookup]): Searches horizontally. • INDEX(range, row_num, [column_num]): Returns value at specific position. • MATCH(lookup_value, range, [match_type]): Finds position of a value. ▎Logical Functions • IF(condition, true_value, false_value): Executes based on condition, e.g., IF(A1>10, "High", "Low"). • AND(condition1, condition2): True if all conditions met. • OR(condition1, condition2): True if any condition met. • NOT(logical): Reverses TRUE/FALSE. ▎Text Functions • CONCATENATE(text1, text2): Joins text strings (or use operator). • LEFT(text, num_chars): Extracts from start. • RIGHT(text, num_chars): Extracts from end. • LEN(text): Counts characters. • TRIM(text): Removes extra spaces. ▎Date Time Functions • TODAY(): Current date. • NOW(): Current date and time. • YEAR(date): Extracts year. • MONTH(date): Extracts month. • DATEDIF(start_date, end_date, unit): Calculates interval (Y/M/D). ▎Math Stats Functions • ROUND(number, num_digits): Rounds to digits. • SUMIF(range, criteria, sum_range): Sums based on condition. • COUNTIF(range, criteria): Counts based on condition. • ABS(number): Absolute value. Excel Resources: https://whatsapp.com/channel/0029VaifY548qIzv0u1AHz3i Double Tap ♥️ For More

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Don't Confuse to learn Python. Learn This Concept to be proficient in Python. 𝗕𝗮𝘀𝗶𝗰𝘀 𝗼𝗳 𝗣𝘆𝘁𝗵𝗼𝗻: - Python Syntax - Data Types - Variables - Operators - Control Structures: if-elif-else Loops Break and Continue try-except block - Functions - Modules and Packages 𝗢𝗯𝗷𝗲𝗰𝘁-𝗢𝗿𝗶𝗲𝗻𝘁𝗲𝗱 𝗣𝗿𝗼𝗴𝗿𝗮𝗺𝗺𝗶𝗻𝗴 𝗶𝗻 𝗣𝘆𝘁𝗵𝗼𝗻: - Classes and Objects - Inheritance - Polymorphism - Encapsulation - Abstraction 𝗣𝘆𝘁𝗵𝗼𝗻 𝗟𝗶𝗯𝗿𝗮𝗿𝗶𝗲𝘀: - Pandas - Numpy 𝗣𝗮𝗻𝗱𝗮𝘀: - What is Pandas? - Installing Pandas - Importing Pandas - Pandas Data Structures (Series, DataFrame, Index) 𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝗗𝗮𝘁𝗮𝗙𝗿𝗮𝗺𝗲𝘀: - Creating DataFrames - Accessing Data in DataFrames - Filtering and Selecting Data - Adding and Removing Columns - Merging and Joining DataFrames - Grouping and Aggregating Data - Pivot Tables 𝗗𝗮𝘁𝗮 𝗖𝗹𝗲𝗮𝗻𝗶𝗻𝗴 𝗮𝗻𝗱 𝗣𝗿𝗲𝗽𝗮𝗿𝗮𝘁𝗶𝗼𝗻: - Handling Missing Values - Handling Duplicates - Data Formatting - Data Transformation - Data Normalization 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗧𝗼𝗽𝗶𝗰𝘀: - Handling Large Datasets with Dask - Handling Categorical Data with Pandas - Handling Text Data with Pandas - Using Pandas with Scikit-learn - Performance Optimization with Pandas 𝗗𝗮𝘁𝗮 𝗦𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲𝘀 𝗶𝗻 𝗣𝘆𝘁𝗵𝗼𝗻: - Lists - Tuples - Dictionaries - Sets 𝗙𝗶𝗹𝗲 𝗛𝗮𝗻𝗱𝗹𝗶𝗻𝗴 𝗶𝗻 𝗣𝘆𝘁𝗵𝗼𝗻: - Reading and Writing Text Files - Reading and Writing Binary Files - Working with CSV Files - Working with JSON Files 𝗡𝘂𝗺𝗽𝘆: - What is NumPy? - Installing NumPy - Importing NumPy - NumPy Arrays 𝗡𝘂𝗺𝗣𝘆 𝗔𝗿𝗿𝗮𝘆 𝗢𝗽𝗲𝗿𝗮𝘁𝗶𝗼𝗻𝘀: - Creating Arrays - Accessing Array Elements - Slicing and Indexing - Reshaping Arrays - Combining Arrays - Splitting Arrays - Arithmetic Operations - Broadcasting 𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝗗𝗮𝘁𝗮 𝗶𝗻 𝗡𝘂𝗺𝗣𝘆: - Reading and Writing Data with NumPy - Filtering and Sorting Data - Data Manipulation with NumPy - Interpolation - Fourier Transforms - Window Functions 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 𝘄𝗶𝘁𝗵 𝗡𝘂𝗺𝗣𝘆: - Vectorization - Memory Management - Multithreading and Multiprocessing - Parallel Computing Like this post if you need more content like this 👍❤️

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Sure! Here’s the revised version with the requested changes: Quick SQL functions cheat sheet for beginners ✍ Aggregate Functions COUNT(*): Counts rows. SUM(column): Total sum. AVG(column): Average value. MAX(column): Maximum value. MIN(column): Minimum value. String Functions CONCAT(a, b, …): Concatenates strings. SUBSTRING(s, start, length): Extracts part of a string. UPPER(s) / LOWER(s): Converts string case. TRIM(s): Removes leading/trailing spaces. Date Time Functions CURRENT_DATE / CURRENT_TIME / CURRENT_TIMESTAMP: Current date/time. EXTRACT(unit FROM date): Retrieves a date part (e.g., year, month). DATE_ADD(date, INTERVAL n unit): Adds an interval to a date. Numeric Functions ROUND(num, decimals): Rounds to a specified decimal. CEIL(num) / FLOOR(num): Rounds up/down. ABS(num): Absolute value. MOD(a, b): Returns the remainder. Control Flow Functions CASE: Conditional logic. COALESCE(val1, val2, …): Returns the first non-null value. Like for more free Cheatsheets ❤️ Share with credits: https://t.me/sqlspecialist Hope it helps :)

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