// C++ switch
// It can also be used for JAVA, C#
switch(age){
// here age will be sent by the function in which it is used
// case to check the age<2
case(age<2 && age>0):
// printing the line
cout<<"ineligible";
// case to check the age ==2
case(age==2):
// printing the line
cout<<"toddler";
// case to check 3-5
case(age>=3 && age<=5):
cout<<"early childhood";
// case to check 6-7
case(age==6 || age==7):
cout<<"young reader";
//case to check 8-10
case(age>=8 && age<=10):
cout<<"elementary";
// case to check 13
case(age==13):
cout<<"impossible";
//case tocheck 14-16
case(age>=14 && age<=16):
cout<<"high school";
// case to check 17 or 18
case(age==17 || age==18):
cout<<"scholar";
//case to check >18
case(age>18);
cout<<"ineligible";
// default case
default:
cout<<"Invalid age";
}
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Answer:
The strlen() function calculates the length of a given string.The strlen() function is defined in string.h header file.
Explanation:
It doesn’t count null character ‘0’. Syntax: int strlen(const char *str); Parameter: str: It represents the string variable whose length we have to find. Return: This function returns the length of string passed.
Answer:
- import math
-
- def standard_deviation(aList):
- sum = 0
- for x in aList:
- sum += x
-
- mean = sum / float(len(aList))
-
- sumDe = 0
-
- for x in aList:
- sumDe += (x - mean) * (x - mean)
-
- variance = sumDe / float(len(aList))
- SD = math.sqrt(variance)
-
- return SD
-
- print(standard_deviation([3,6, 7, 9, 12, 17]))
Explanation:
The solution code is written in Python 3.
Firstly, we need to import math module (Line 1).
Next, create a function standard_deviation that takes one input parameter, which is a list (Line 3). In the function, calculate the mean for the value in the input list (Line 4-8). Next, use the mean to calculate the variance (Line 10-15). Next, use sqrt method from math module to get the square root of variance and this will result in standard deviation (Line 16). At last, return the standard deviation (Line 18).
We can test the function using a sample list (Line 20) and we shall get 4.509249752822894
If we pass an empty list, a ZeroDivisionError exception will be raised.
Answer:
try putting "uk-" or "us-" depending on where you are, you could also go through your settings and try to allow everything.
