print() : to return output to screen or file in Python

print(object ,sep='Separator',end='end',file=file,flush=flush) returns output to screen or file

`object`	To be printed to screen or file
`sep`	Optional , separator can be used between the outputs
`end`	Optional, default is '\n', used to remove line break after the output
`file`	Optional , file object to write to file
`flush`	Optional , Managing buffer

String output

print('Hello world')

printing output with format

id=5
name="Ronal Jack"
mark=45
print("ID :{:02d} Name:{:15s} Mark: {:2d}".format(id,name,mark))

Output is here

ID :05 Name:Ronal Jack      Mark: 45

str1="Welcome "
str2=" to "
str3=" Python "
str4=" Your student id = "
id=5

print(" Hi {2} {1} {0} ".format(str1,str2,str3))
print(" Hi {0} {1} ".format(str4,id))

Output is here

Hi  Python   to  Welcome  
 Hi  Your student id =  5

Correct the first line to get proper sequnce of words

Printing decimal upto 2 places using format

my_str="Mr ABCD"
avg=356.23456
id=5
name="Welcome to Python"

print("Hi {}, Your id = {}, Your Average ={:.2f})".format(my_str,id,avg))

Output is here

Hi Mr ABCD, Your id = 5, Your Average =356.23)

end

Python adds one line break ( default value of end='\n' ) after each print command, we can remove the line break ( Watch the end='' within the print ())

my_str="Mr ABCD"
avg=356.23456
id=5
name="Welcome to Python"

print("Hi {}, Your id = {} ".format(my_str,id),end='')
print("Your Average ={:.2f})".format(avg))

output is here

Hi Mr ABCD, Your id = 5 Your Average =356.23)

We can use end to print any string at the end of the output. Check here how we used end='...' to print dots after the number.

for i in range (4):
  print(i,end='...')

Output

0...1...2...3...

sep

We can add a separator in between strings

print('welcome','to','plus2net', sep='-')

Output

welcome-to-plus2net

Multiple strings with +

print('Welcome '+ 'to '+'plus2net')

Output

Welcome to plus2net

String and Integer

We can't print string with integer, this will generate error. TypeError: must be str, not int

print('Your visitor number is :' + 34)

We can use str() to change our integer to string.

print('Your visitor number is :' + str(34))

Write to file

with open('my_file.txt', mode='w') as fob:
    print('hello world', file=fob)

This will create my_file.txt file in same directory and write 'hello world' to it.

Printing using variables inside string

a=2
b="welcome"
c="Python"
print("Hello ",b," to ", c )

Output is here

Hello  welcome  to  Python

Using escape char

Let us print I can't travel by bus

print(' I can\'t travel by bus')

We used escape char \ inside the word can't to print single quote instead of using as string termination.
We can use special char \ inside our string without using as escape char by adding r before the quotes

print(r"C:\MyDocument\python\test.py")

Here \t is not considered as Tab and the out put is here

C:\MyDocument\python\test.py

We can add doble quote inside single quote

print ( 'We said "Welcome to plus2net"')

Output is here

We said "Welcome to plus2net"

All Built in Functions in Python bin() complex()

Math Functions math.fabs() Python- Tutorials