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place the main code inside a kotlin class file, not in a plain kt file class Tester { } fun main(args:Array<String>) { val age = 0 // implicit var declaration val isCompleted = false // explicit var declaration val num = 2 // constant takes less space than var println("test") }

to fix this you need your pycharm to use python (version) 3.1 : delete pycharm and python https://www.jetbrains.com/pycharm/download/#section=windows https://www.python.org/downloads/ on the pycharm IDE: Press Ctrl+Alt+S to open the project Settings/Preferences and go to Project: <project...

'''switch''' n:str = "test" match n: case 'hello': print("hi there!") case 'y': print("y") case _: print("default case")

hey zoro @ZORO

'''variables''' age = 0 # implicit var declaration isCompleted: bool = False # explicit var declaration NUM: int = 2 # constant takes less space than var '''strings''' str1: str = "1+4=hello" s1: str = f'Good {var1}! time to {var2}!' '''classes''' class MyClass(Object): myProperty...

:oops:

variables dictionary varargs randomizer VARIABLES DICTIONARY VARARGS STRINGS JAVA CHEAT SHEET Dictionary Variables RANDOMIZER

hello

1234567890

1234567890

this is a test

test

hello world

import java.util.Random; Random rand = new Random(); // instance of random class int upperbound = 25; // generate random values from 0-24 int int_random = rand.nextInt(upperbound); // 0->upperbound -1 double double_random = rand.nextDouble();// 0->1 float float_random = rand.nextFloat(); //0->1

*variables* int age = 0; // implicit var declaration Boolean isCompleted = false; // explicit var declaration final int num = 2; // constant takes less space than var *strings* String str1 = "hello"; String s1 = String.format("%s %s %d :)", "1+4", "=", 5); *classes* public class MyClass...