Python Codes from pc
Image source:Negative Space
name=input("Enter name:")
color=input("Enter fav color:")
print(name,"likes",color)
____________________________________________________________________________
weight=int(input("Enter weight:"))
option=input("\nIn pound or kg?\np:Pound\nk:kilogram\nEnter option:")
if(option.lower()=="p"):
weight_in_kg=0.4535*weight
print("Your weight_in_kg:",weight_in_kg)
elif(option.lower()=="k"):
weight_in_pound=2.2046*weight
print("Your weight_in_pound:",weight_in_pound)
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print("Price of house : 1 million dollar")
good_credit=False
if good_credit:
discount=10000000*0.1
price=10000000-discount
print("Discounted price:",price)
else:
discount=10000000*0.2
price=10000000-discount
print(price)
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name=input("Enter name:")
if len(name)<3:
print("Name must be atleast 3 characters")
elif len(name)>50:
print("Name can be max 50")
else:
print("Name looks good")
____________________________________________________________________________
print("Type help for instruction\n")
input1=""
started = False
stopped= False
while True:
input1=input(">").lower()
if input1=="help":
print("\nstart->To start the car\nstop->To stop the car\nQuit->to exit")
elif input1=="start":
if started:
print("Car is already started")
else:
started=True
print("Car started.........>>>>>>>>>>Ready to go")
elif input1=="stop":
if stopped:
print("Car is already stationary")
else:
stopped=True
print("Car stopped ....||||||")
elif input1=="quit":
break
else:
print("Sorry i cannot understand")
______________________________________________________________________________
numbers=[2,2,2,2,5]
for x_count in numbers:
output= ' '
for count in range(x_count):
output+= 'x'
print(output)
#______________________________________________________________________
list=[]
number_of_terms=int(input("Enter no. of terms:"))
for i in range(0,number_of_terms):
input1=int(input("Enter list of no to find largest no:"))
list.append(input1)
max=list[0]
for next_no in list:
if next_no>max:
max=next_no
print(max)
Practice 3
***************LIST*********************************************************
list=[1,3,4,2,5]
friends=["hi ","sam ","dam ","hello"]
friends.insert(2,"bomerjack")
list.append(6)
list.extend(friends)
list.insert(2,10)
friends.sort()
friends.reverse()
print(friends)
print(list)
***************TUPLE*******************************************************************
used when you don't need to change it later (i.e immutable,whereas list is mutable)
***************FUNCTION*******************************************************************
def greet(name,std):
print("Hi",name,"you are from ",std)
name=input("Enter name:")
std=input("Enter your qualification:")
greet(name,std)
Return in function returns the value of the function
#**************IF AND ELSE******************************************************************
PROGRAM1:
def max_num(num1,num2,num3):
if(num1>=num2 and num1>=num3):
print(num1,"is greater")
elif(num2>=num1 and num2>=num3):
print(num2,"is greater")
else:
print(num3,"is greater")
num1=int(input("Enter num1:"))
num2=int(input("Enter num2:"))
num3=int(input("Enter num3:"))
max_num(num1,num2,num3)
##PROGRAM 2(CALCULATOR):
num1=int(input("Enter num1:"))
op=input("Enter operator:")
num2=int(input("Enter num2:"))
if(op=="+"):
print (num1+num2)
elif(op=="-"):
print (num1-num2)
elif(op=="/"):
print (num1/num2)
elif(op=="*"):
print (num1*num2)
elif(op=="%"):
print (num1%num2)
else:
print("Invalid operator!")
**************DICTIONARY********************************************************
monthconversions={
"Jan":"January",
"Feb":"February",
"Mar":"March",
"Apr":"April"
}
print(monthconversions.get("Jan"))
OUTPUT:January
IF THE DESIRED INPUT IS NOT PRESENT IN THE DICTIONARY OUTPUT IS NONE
**************WHILE LOOP********************************************************
secret_word="giraffe"
guess=""
guess_count=0
out_of_guesses = False
while guess !=secret_word and not (out_of_guesses):
if guess_count<3:
guess=input("Enter your guess:")
guess_count=guess_count+1
else:
out_of_guesses = True
if out_of_guesses:
print("Your guesses have ended,Refresh to play again!")
else:
print("You win")
**************FOR LOOP******************************************************************
EVEN NO. ADDITION USING FOR LOOP
list=[1,2,3,4,5,6,7,8]
addition=0
for number in list:
if(number%2==0):
addition=addition+number
print("Even no. addition:",addition)
##ODD ADDITION USING FOR LOOP BUT WITH RANGE()
addition=0
for number in range(1,9): ##In range(a,b) the b is not taken into consideration
if(number%2!=0):
addition=addition+number
print("Odd no. addition:",addition)
EXPONENT FUNCTION BUT USING FOR LOOP
def exp(base,power):
result=1
for number in range(power): #the "number" here goes to each individual item in the range or list etc
result=result*base #1)base 2)base*base 3)base*base*base
return result #will not return(value) until it is multipled in the range of power given by the user
base=int(input("Enter base:"))
power=int(input("Enter power:"))
print(exp(base,power))
************Translator************************************************************************
def translate(phrase):
translation=""
for letter in phrase:
if letter.lower() in "aeiou":
if letter.isupper():
translation=translation+"G" #if capital vowel is found then capital G
else:
translation=translation+"g" #if small vowel then small g
else:
translation=translation+letter #if the letter is not vowel then return the word as it is
return translation
phrase=input("Enter the phrase:")
print(translate(phrase))
Vowel counter
word1=input("Enter the word:")
word=word1.lower()
list=['a','e','i','o','u']
count=0
#def counter(word):
for letter in word: #for the letter in word given by user
if letter in list: #if that letter is present in the list above
count+=1 #increase the count
print("Count of vowel:",count)
#**********TRY-EXCEPTION************************************************************
try:
#ans=10/0
input=int(input("Enter no."))
print(number)
except ZeroDivisionError as err:
print(err)
except ValueError as err:
print(err)
**********READING FILES**********************************************************************
employee_file=open("employee.txt","r")
print(employee_file.read()) #1)
for lines in employee_file.readlines(): #2)
print(lines)
print(employee_file.readline()) #3)
print(employee_file.readlines()) #4)
employee_file.close()
**********WRITING FILES**********************************************************************
employee_file=open("employee.txt","a") #a here appends to the file,if we use w then whatever we write in the folowing line will be replaced
employee_file.write("\n Bishal 41")
employee_file.close()
**********MODULES AND PIP************************************************************
we can install inbuilt modules of python ,the info is available online in their site.
*****************************************************
list=[] #creating list
no_of_terms=int(input("Enter no. of terms:")) #asking the no. of term
for number in range(0,no_of_terms): #running for loop for range 0 to no of term
inputs=int(input("Enter the numbers:")) #getting inputs
list.append(inputs) #appending those inputs
max=list[0] #considering the first element in the lis to be max
for next_no in list: #each no is checked one by one in the list
if next_no>max: #if the no is greater than first no change the max,continue doing until you find the greatest
max=next_no #after checking all the nos and confirming the max ,come out of the loop
print("Max no. is",max) #print the mas
Practice 5
#************************ANAGRAM************************************************
str1=input("Enter string1:")
str2=input("Enter string2:")
sorted_str1=sorted(str1)
sorted_str2=sorted(str2)
if len(sorted_str1)==len(sorted_str2):
if sorted_str1==sorted_str2:
print("Both the strings are anagram")
else:
print("The strings are not anagram")
else:
print("The strings are not anagram('Because the no. of character is not same')")
******************SUM OF DIGITS OF THE GIVEN NO******************************************
result=0
number=int(input("Enter the no. to find sum:"))
while number>0:
digit=number%10
result=result+digit
number=number//10
print("The sum:",result)
************************UNIQUE NUMBERS IN THE LIST************************************************
n=int(input("Enter number of inputs:"))
list1=[]
for number_of_times in range(n):
inputs=int(input("Enter inputs:"))
list1.append(inputs)
unique_list=[]
for each_number in list1:
if each_number not in unique_list: #if no. in the list is not present in uniquelist then add it to uniquelist
unique_list.append(each_number)
print(unique_list)
************************FACTORIAL ************************
def factorial(num):
if num==1:
return 1
else:
return num*factorial(num-1)
num=int(input("Enter num to find factorial:"))
fact=factorial(num)
print("Factorial:",fact)
************************MERGE SORT************************
def mergesort(main_list):
if len(main_list)>1:
mid=len(main_list)//2
left_list = main_list[:mid]
right_list = main_list[mid:]
mergesort(left_list)
mergesort(right_list)
i=0
j=0
k=0
while i<len(left_list) and j<len(right_list): #i starts from beginning of the left list and travveerses until it becomes greater than the length of the list that we have
if left_list[i]<right_list[j]: #element in the left list is smaller than that element wil come
main_list[k] = left_list[i]
i=i+1
k=k+1
else:
main_list[k] = right_list[j]
j=j+1
k=k+1
while i<len(left_list): #if the element is left out then insert it directly into the main_list similarly for the right list below
main_list[k] = left_list[i]
i=i+1
k=k+1
while i<len(right_list):
main_list[k] = right_list[j]
j=j+1
k=k+1
number=int(input("Enter number of inputs:"))
main_list=[]
for number_of_times in range(number):
inputs=int(input("Enter inputs:"))
main_list.append(inputs)
mergesort(main_list)
print("Sorted list:",main_list)
***********************
*********adding default value in argument or function calling*********************************
def print_info(name="Someone" , age="unknown"):
print("the name is",name,"the age is ",age)
print_info("sam")
**********************accepting an array in a argument i.e infinite argument********************
def print_people(*people): #this * indicates we gonna accept infinite argument
i=0
for each_person in people:
i=i+1
print("The number ",i,"person name is ",each_person)
print_people("Sam","Zeon","Kevin","Charles")
************************while +if loop eg************************************************************
run=True
count=1
while run==True:
if count==100:
run=False
else:
print(count)
count=count+1
****************************MAGIC CALCULATOR**********************************************
import re
print("Calculator")
print("Enter quit to stop")
run=True
previous_value=0
def calculator():
global run
global previous_value
if previous_value==0:
equation=input("Enter the equation:")
else:
equation=input(str(previous_value))
if equation=="quit":
run=False
else:
equation=re.sub('[a-zA-Z,.:()" "]',' ' ,equation)
if previous_value==0:
previous_value=eval(equation)
else:
previous_value=eval(str(previous_value)+equation)
while run==True:
calculator()
******************************RANDOMRANGE AND BREAK IN WHILE **************
import random
playerhp=300
enemyl=70
enemyh=80
while playerhp>0:
dmg=random.randrange(enemyl,enemyh)
playerhp=playerhp-dmg
if playerhp<=30:
playerhp=30
print ("Your enemy have attacked with",dmg,"damage and your current hp:",playerhp)
if playerhp==30:
print("You have been teleported to nearest hospital and you gain extra 100 hp")
playerhp=playerhp+100
print("Your current hp :",playerhp)
break
list1=[5,4,3,2,1]
for i in list1:
print(i)
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