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Course Content
Functions
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Content of this Chapter
 Function
Types of Function in Python
Syntax
Function Simple Question
return statement
Argument
Types of argument in python
Positional Argument
Default Argument
Keyword Argument
variable-length arguments
Simple Question
Type of Variable
Global variable, Global keyword
Nested function
Aliasing function
Recursion Function
Lambda, Filter, map, reduce Function
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Lambda Functions
Important Note
Question
filter() Function 
Question
map() Function 
reduce() Function 
Numeric Function
Library Function/Predefined Functions
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Numeric Function
max()
min()
pow()
round()
int()
abs()
ceil()
floor()
fabs()
sqrt()
exp()
divmod()
Math.factorial()
Math.fsum()
Math.fmod()
The random Module
Library Function/Predefined Functions
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random() Method
randint() Method
randrange() Method
choice() Method
shuffle() Method
uniform() Method
Date & Time Functions
Library Function/Predefined Functions
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Time()
Localtime()
Asctime()
Clock()
Sleep()
Now()
Today()
Date()
Dir()
Timestamp()
Strftime()
The Calendar Module
Library Function/Predefined Functions
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The Calendar Module
Isleap()
leapdays()
firstweekday()
String Function
Library Function/Predefined Functions
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String Function
Count
find
rfind()
capitalize()
title()
lower()
upper()
swapcase()
islower()
isupper()
istitle()
replace()
strip()
lstrip()
rstrip()
split()
partition( )
join( )
isspace()
isalpha()
isdigit()
isalnum()
startswith()
endswith()
encode()
decode()
Index()
Sys Module
Library Function/Predefined Functions
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Sys Module
sys.argv, sys.path, sys.maxsize, sys.version, sys.exit()
OS Module
Library Function/Predefined Functions
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os Module
os.name(), os.mkdir(), os.getcwd(), os.rmdir(),
Functions in Python (Chapter-10) M3-R5

sqrt():-

        The sqrt() function returns the non-negative square root of x. if x is negative, a domain error occurs.

Example:-

import math

print(math.sqrt(25))

print(math.sqrt(10))

print(math.sqrt(100))

output

5.0

3.1622776601683795

10.0
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