Python Programming Lab

install python from official website- Link

Method-1: to run a python code from windows command prompt

best way is to save file in a folder "mypgms" and execute in the same location # mypgms can be like ramu123, harsha, guru, ....

Example#1:

Method-2: to run using Anaconda (Software with some in-built libraries)

download Anaconda from official website:

https://repo.anaconda.com/archive/Anaconda3-2025.06-0-Windows-x86_64.exe

Step1: basic program

print('This is krishnasbodh.com')

Step2: read string/characters

data = input()

Step3: read string/characters

in step2, we can not know that the prompt is asking us to give input value either text/number/name/... any field value.

data= input('Enter your name: ')

Step4: Factorial using for loop

n=int(input('enter n value: '))

fact=1

for i in range (2,n+1):

fact=fact*i

print('factorial of n is: ',fact)

Step5: Concatenation

a=input('enter name1: ')

b=input('enter name2: ')

c=input('enter name3: ')

d=a+b+c

print(d)

print(a,b,c,sep=', ')

Step4: usage of FUNCTIONS in python

def fac(n):

res=1

for i in range (1, n+1):

res=res*i

return res

n=int(input('enter an integer: '))

print('factorial of given number is ',fac(n))

Detect a SENTENCE is in Active form/ Passive form (i.e., Active voice/ Passive Voice)

import re

def detect_voice(sentence):

# Look for 'be' verb + past participle + 'by'

# Handles: "apple was eaten by me", "apples are cooked by her", etc.

passive_pattern = r"\b(is|am|are|was|were|be|been|being)\b\s+\w+(ed|en|t)\b.*\bby\b"

if re.search(passive_pattern, sentence.lower()):

return "Passive Voice"

else:

return "Active Voice"

sentence = input("Enter a sentence: ")

print(detect_voice(sentence))

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