Introduction to Python Cheat Sheet (DRAFT) by Arshdeep

for i in range(5):
     print(i)

while condition:
     # Code block to be executed as long as condition is True

for i in range(3):
     for j in range(2):
         print(i, j)

{key_e­xpr­ession: value_­exp­ression for item in iterable}

result = functi­on_­nam­e(a­rgu­ments)

def greet(­name, greeting):
     print(­gre­eting, name)
 greet(­nam­e="B­ob", greeting="Hi")
  # Output: Hi Bob

def add(*args):
     return sum(args)
 add(1, 2, 3)  # Output: 6

def function_name(parameters):
     "­"­"­Des­cri­ption of the function"""
     # code block
     return value
 print(­fun­cti­on_­nam­e._­_doc__)

double = lambda x: x * 2
 print(­dou­ble(5))  # Output: 10

try:
     # Code that may raise an exception 
except ExceptionType:
     # Code to handle the exception

try:
     # Code that may raise an exception 
except ExceptionType:
     # Code to handle the exception 
finally:
     # Code that will execute no matter what

raise Except­ion­Typ­e("Error messag­e")

try:
     # Code 
except (Excep­tio­nType1, Except­ion­Type2) as e:
     # Handle both exceptions

file.c­lose()

file.w­rit­e("H­ello, world!­")

with open("f­ile­nam­e.t­xt", "­r") as file:
     content = file.read()
     # file automa­tically closed after exiting the 'with' block

if condition:
     # Code to execute if condition is True
 else:
     # Code to execute if condition is False

if condition1:
     if condition2:
         # Code to execute if both condition1 and condition2 are True

# Example using 'and'
 if x > 0 and y < 10:
     # Code here

  # Example using 'or'
 if a == 0 or b == 0:
     # Code here

if x is y:
     # Code to execute if x and y refer to the same object

# Variable assignment 
x = 10 
name = "­Ali­ce" 
is_student = True

a, b, c = 1, 2, 3

import module­_name

pip install module­_name

import math
print(math.pi)