If Else Condition | For And While Loop | Python Tutorial in Hindi | Day 3 | Naveen Sir

If Else Condition | For And While Loop | Python Tutorial in Hindi | Day 3 | Naveen Sir
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how to run our program in VS code........
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* download vs code...
https://code.visualstudio.com/download
* how to python installation...
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Flow control statement : conditional statement...

if statement
if else statement
elif statement
nested if else statement

==============
if statement...

syntax :
if testing expression:
statement

program : wap to check the given number is greater than10 or not ?
Solution:

2. if else statement

syntax :
if testing expression:
statement
else:
statement


3. elif statement

syntax :
if testing expression:
statement
elif testing expression:
statement
elif testing expression:
statement
else:
statement

Example :
enter a number then check is it -ve , +ve or zero ?


4. nested if else statement

if else statement inside another if else statement is called nested if else stamente...

syntax :

if testing:
if testing2:
statement
else:
statement

else:
if testing3:
statement
else:
stetement

Program:
input 3 numbers from the user then display biggest one ?
10, 34 , 12

Task:
1. input a number then check is it divisible by 3 or not ?
2. input a number then check is it even or odd.
3. input a text or letter then check is it vowel or consonent.
4. input a number then check is it lower than 3 digit number or not ?

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Looping :
repeat any statement at any number of time is called looping...

types of loop:
1. for loop
2. while loop

1. for loop :
repeating a sequance.. ( list, tuple , string , range , dictionary )

syntax :
for val in sequence:
loop body

Example:
#list of numbers
marks = [54,87,12,43,90,32,32,232,121,23,3445,634,98]
sum = 0
for x in marks:
sum = sum + x
print(sum)


example:
#list of numbers
names = ['ram','sham','mohan']

for x in names:
print('Hi ',x , ' How are you...!!!')

range(starting, ending, step )
range(1,10,2)
starting..1
ending 10
step 2

[1,3,5,7,9]


note: default staring value will be 0.
range(5)

[0,1,2,3,4]





Range...................
range(1,5)
........0---------4
range(3,10)........
0,9

range(1,20,2)

1,3,5,7,9.11..........


print(list(range(1,9,2)))

solution:
[1, 3, 5, 7]


Task : display table from 5 to 10
[5,10,15............50]
..............
6
7
8
9
10

Task :
0 1 1 2 3 5 8 13 21


example:
display 1 to 10 ?

mydata = list(range(1,11))
for val in mydata:
print(val)


example:
display hello world 10 time?

mydata = list(range(1,111))
for val in mydata:
print(val , " hello")










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