Sunday, March 1, 2020

PYTHON INTRODUCTION.........simple to learn.

Basic for PYTHON.....
-March 1.3.2020

CONCEPT:
Introduction  for Python.......and basic method.

PYTHON FACTS:
-This Developed  by GUIDO VAN ROSSUM and released on February 20,  IN 1991.

IMPORTANT  3 THINKS.

Indentation----> TO Avoid Unnecessary Space.
Colon        ----> This must for Python.
Function:

CONTENTS:-

Primitives--> Number, strings, Boolean . 

#INTEGERS --1, 2, 3, 4..........Numbers.
#FLOAT-- 1.2 , 5.6, 9.5,
#COMPLEX-- 5+2j


                                               #VARIABLES
Example 1:

  Watch=500
  print(Watch)

output:
     500

Example 2:
  Watch=500
   print(Watch+20)

output:

520
    
                                             #STRING METHOD.

Example 1:

word1="hi dude"
word2="my age is 24!"
print(word2)
out put:
my age is 24!

IN PYTHON STRING CONVERTED  IN ARRAY.

Array start in ZERO.


INDICES:

word1="HELLO"
print(word1[3])

output:
L

SLICING:

word3="HELLO"
print(word3[1:3])                       

output:
EL                                         #Before array value in 3.

LENGTH:
word3="hello,  world"
print(len(word3))            #keyword------len
output:
12

STRIP()

word2="    my age  is 19"
print(word2)                           #Strip is used in removed in unnecessary space.
output:                                     
Error                  #because  word2    using unnecessary   space.


word2="my age is 19"
print(word2)
output:
my age is 19

BOOLEAN:

Example 1:
   word3="hello"
   print("hell" in word3)                 #Boolean
                                                    #out put is --------> TRUE , FALSE
output:
TRUE

Example 2:
   word3="latha"
   print("hell"in word3)
output:
FALSE







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