NibKarma

Archive for May 2019

Best 5 Pattern Programs In Pythons !!

In this article we will learn printing 5 different pattern programs in python.

We will print this patterns in this article :

Pattern 1 : #

# #

# # #

# # # #

Pattern 2 : # # # #

# # #

# #

Pattern 3 : # # # #

# # # #

Pattern 4 : N

N i

N i b

N i b K

N i b K a

N i b K a r

N i b K a r m

N i b K a r m a

Pattern 5 :

* *

* * *

* * * *

* * * * *

Things You Should Know About Python Before Learning Python :

Python is an interpreted, high-level, general-purpose programming language. Developed by Guido van Rossum and first released in 1991,

Basic Programs Of All Python Methods

1) Program :

Python program to print Hello World.

# This prints Hello World on the output screen
print('NibKarma')

Output :

Hello NibKarma

List Programs

2) Program :

def string_length(str):
count = 0
for char in str:
count += 1
return count
print(string_length('NibKarma'))

Output : 8

Python Dictionary

3) Program :

def char_frequency(str):
dict = {}
for n in str:
keys = dict.keys()
if n in keys:
dict[n] += 1
else:
dict[n] = 1
return dict
print(char_frequency('NibKarma'))

Output :

{'a': 2, 'N': 1, 'i': 1, 'K': 1, 'r': 1, 'm': 1}

Python Tuple

4) Program :

tuple=('a','b','c','d','e')
print(tuple)
del tuple[1]
print(tuple)

Output :

('a', 'b', 'c', 'd', 'e')

5) Program :

a = "Hello world"
print(a)
print(a[0])
print(a[1])
print(a[2])

x = "Hello"
y = "Khush"
print(x+y)

s = "Hello Khush"
print(s[0:2])
print(s[2:7])
print(s[4:])

Output :

Hello world
H
e
l
HelloKhush
He
llo K
o Khush

Python Pass

6) Program :

l=[1,2,3,4,5]
for i in l:
if i==3:
pass
print ("Pass execute")
print("Hello khush")
print(i)

Output :

1
2
Pass execute
Hello khush
3
4
5

Python List

7) Program :

a1=["khush","jinu","ashu","shwetu"]
print(a1)
a3=['a','b','c']
print(a3)
a5=[1,2,3]
print(a5)
a6=[1,'khush']
print(a6)

a=['a','b','c','d','e']
print(a)
a[2]=3
print(a)
a[1:3]=1,2
print(a)
a[0:]=1,2,3,4,5
print(a)
del a[1]
print(a)

n=["khush","nishu","priti"]
print(n)
n.append("jinu")
print(n)
n.insert(2,"siya")
print(n)

n=["khush","nishu","priti"]
print(n)
n.remove("nishu")
print(n)
n.remove(n[0])
print(n)

n=[1,2,3,4,5]
print(n)
print("length is "+str(len(n)))

n=[1,2,3,4,5]
for i in n:
print(i)

a=["khush","keri","ketan","khushi"]
print(a)
print("after sorting :")
a.sort()
print(a)

a=["khush","keri","ketan","khushi"]
print(a)
print("after reverse :")
a.reverse()
print(a)

a=["khush","keri","ketan","khushi"]
print(a)
n=max(a)
print(n)
n=min(a)
print(n)

print("maximum and minimum in numbers")

a=[1,2,3,4,5]
print(a)
n=max(a)
print(n)
n=min(a)
print(n)

a=[1,2,3,4,5]
print(a)
n=max(a)
print(n)
n=min(a)
print(n)
a.clear()
print(a)

Output :

['khush', 'jinu', 'ashu', 'shwetu']
['a', 'b', 'c']
[1, 2, 3]
[1, 'khush']
['a', 'b', 'c', 'd', 'e']
['a', 'b', 3, 'd', 'e']
['a', 1, 2, 'd', 'e']
[1, 2, 3, 4, 5]
[1, 3, 4, 5]
['khush', 'nishu', 'priti']
['khush', 'nishu', 'priti', 'jinu']
['khush', 'nishu', 'siya', 'priti', 'jinu']
['khush', 'nishu', 'priti']
['khush', 'priti']
['priti']
[1, 2, 3, 4, 5]
length is 5
1
2
3
4
5
['khush', 'keri', 'ketan', 'khushi']
after sorting :
['keri', 'ketan', 'khush', 'khushi']
['khush', 'keri', 'ketan', 'khushi']
after reverse :
['khushi', 'ketan', 'keri', 'khush']
['khush', 'keri', 'ketan', 'khushi']
khushi
keri
maximum and minimum in numbers
[1, 2, 3, 4, 5]
5
1
[1, 2, 3, 4, 5]
5
1
[]

Python Lambda

8) Program :

a = 5
b = 2

sum = a+b
print("sum is : "+str(sum))

a = 5
b = 2

sub = a-b
print("substraction is : "+str(sub))

a = 5
b = 2

mul = a*b
print("multiplication is : "+str(mul))

a = 5
b = 2

div = a/b
print("divison is : "+str(div))

a = 5
b = 2

mod = a%b
print("modulo is : "+str(mod))

Output :

sum is : 7
substraction is : 3
multiplication is : 10
divison is : 2.5
modulo is : 1

Python Break

9) Program :

a='khush'
print("without break statement")
for i in a:
print(i,end='')
print()

print ("with break statement")
for i in a :
if i=='u' :
break
print(i)

for i in range (1,11):
if i==6:
break
print(i)

for i in range (1,11):
if i==6:
continue
print(i)

Output :

without break statement
khush
with break statement
k
h
1
2
3
4
5
1
2
3
4
5
7
8
9
10

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Python Class

10) Program :

class Student:
def __init__(self, name):
print("This is parametrized constructor")
self.name = name
def show(self):
print("Hello",self.name)
student = Student("Nibkarma")
student.show()

Output :

This is parametrized constructor
Hello Nibkarma

11) Program :

def func():
print("def called")
func()

def func(name):
print("hi "+ name)
func('khush')

def value(a):
print("a is "+str(a))
value(10)

def func(name):
print("name is :"+name)
s=input("enter name:")
func(s)

def func(name):
msg=print("hi "+name)
return msg;
name=input("enter name :")
func(name)

Output :

def called
hi khush
a is 10
enter name:khush
name is :khush
enter name :khush
hi khush

Python Data-types

12) Program :

x=2
y=3.4
z=False

print(x)
print(y)
print(z)

x = 2
y = 3
sum = x+y
print(sum)

a=int(input("Enter a:"))
b=int(input("Enter b:"))
print("\n")

sum = a+b
sub = a-b
mul = a*b
div = a/b
mod = a%b

print(sum)
print(sub)
print(mul)
print(div)
print(mod)

Output :

2
3.4
False
5
Enter a: 3
Enter b:4

7
-1
12
0.75
3

Simple Python Programs :

1) Program :

Python program to print Hello World.

# This prints Hello World on the output screen
print('Hello World')

Output :

Hello World

2) Program :

For Getting input in Python by user.

str = input("Enter any string: ")
print(str)

Output :

Enter any string: NibKarma
NibKarma

3) Program :

Python program to check if a number is positive or negative.

number = int(input("Enter number: "))

# checking the number
if number < 0: print("The entered number is negative.") elif number > 0:
print("The entered number is positive.")
elif number == 0:
print("Number is zero.")
else:
print("The input is not a number")

Output :

Enter Number: 200
The entered number is positive.

4) Program :

Python program to check leap year.

year = int(input("Enter Year: "))

# Leap Year Check
if year % 4 == 0 and year % 100 != 0:
print(year, "is a Leap Year")
elif year % 100 == 0:
print(year, "is not a Leap Year")
elif year % 400 ==0:
print(year, "is a Leap Year")
else:
print(year, "is not a Leap Year")

Output :

Enter Year: 2016
2016 is a Leap Year

5) Program :

Python program to check whether the input character is an alphabet.

ch = input("Enter a character: ")
if((ch>='a' and ch<= 'z') or (ch>='A' and ch<='Z')):
print(ch, "is an Alphabet")
else:
print(ch, "is not an Alphabet")

Output :

Enter a character : N
N is an alphabet

6) Program :

Python program to check vowel or consonant.

ch = input("Enter a character: ")

if(ch=='A' or ch=='a' or ch=='E' or ch =='e' or ch=='I'
or ch=='i' or ch=='O' or ch=='o' or ch=='U' or ch=='u'):
print(ch, "is a Vowel")
else:
print(ch, "is a Consonant")

Output :

Enter a character : I
I is a Vowel

The Reasons For Why Writing Software Applications in Python

1) Readable and Maintainable Code
2) Multiple Programming Paradigms
3) Compatible with Major Platforms and Systems
4) Robust Standard Library
5) Many Open Source Frameworks and Tools
6) Simplify Complex Software Development
7) Adopt Test Driven Development

The Python Applications :

1) Web and Internet Development
2) Applications of Python Programming in Desktop GUI
3) Science and Numeric Applications
4) Software Development Application
5) Python Applications in Education
6) Python Applications in Business
7) Database Access
8) Network Programming
9) Games and 3D Graphics
10) Console-based Applications
11) Audio – or Video- based Applications
12) Applications for Images
13) Enterprise Applications
14) 3D CAD Applications
15) Computer Vision
16) Machine Learning
17) Robotics
18) Web Scraping
19) Scripting
20) Artificial Intelligence
21) Data Analysis

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Categories: Python

Python Functions - def() Function !!

Python Function

Python functions are building blocks of programming code which we can use when we want to call required content.

We write some code in particular function and call function in program any where when required.

We can write name of function as per our choice.

With function name we use def keyword.

We can use return, print(), range() and other functions in python functions.

def()

def() function is used to create function in python which we can use when required.

Syntax : def function_name() :

code of function

Declare : function_name()

Example :

Output :

def called

As shown in above example we create function as func.

In func() function we write one code line for print def called.

When we want to call a function then we only have to write function name like here we write func().

It called the function,execute the block and print the statement.

Function With Argument

We can use function with argument.we can declare argument of function at a time of function declaration.

Function with argument is used to give value at a run-time.

Syntax : function_name(argument) :
code of function

For execution : function_name(value)

Program :

Output :

hi khush

Here, we use function name func() with argument (name).

when we have to execute func('khush') then khush value used as a argument of name and print the output.

Get Input From User :

We can get data from user and store in a variable.

That variable is used as a argument of the function.

let's see an example:

Program :

Output :

enter name : khush

name is : khush

as see in above program we get input from user and that value khush store in variable s.

this argument name is take value of variable s.

Return Method In Function :

We use return method in function.

when the function is called then it calls the function and program stop when return is called.

we can use above all method by get output with return.

Program :

Output :

enter name : khush

hi khush

as same above method we get data from user and store print method in variable msg.

after that we return the variable msg and get output.

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