2. Write a Python regular expression to replace all white space with # in given string “Python is very simple programming language.”

Answer:

See explanation

Explanation:

Replace the ____ with the expressions in bold and italics

1)          return km

return km returns the result of the computation

2)  = convert_distance(my_trip_miles)

convert_distance(my_trip_miles) calls the function and passes my_trip_miles to the function

3)  + str(my_trip_km)

The above statement prints the returned value

4)  +str(my_trip_km * 2)

The above statement prints the returned value multiplied by 2

Solution :

[tex]$\#$[/tex]include [tex]$<stdio.h>$[/tex]  

[tex]$\#$[/tex]include [tex]$<string.h>$[/tex]    

void parse[tex]$\_$[/tex]name([tex]$char \ full[]$[/tex], char first[tex]$[],$[/tex] char last[tex]$[])$[/tex]

{

// to_get_this_function_working_immediately, _irst

// stub_it_out_as_below._When_you_have_everything_else

// working,_come_back_and_really_parse_full_name

// this always sets first name to "Noah"

int i, j = 0;

for(i = 0; full[i] != ' '; i++)

  first[j++] = full[i];

first[j] = '\0';  

// this always sets last name to "Zark"

j = 0;

strcpy(last, full+i+1);

// replace the above calls with the actual logic to separate

// full into two distinct pieces

}

int main()

{

char full[40], first[20], last[20];

double hours[5];

// ask the user to enter full name

printf("What is your name? ");

gets(full);

// parse the full name into first and last

parse_name(full, first, last);

// load the hours

for(int i = 0; i < 5; i++)

{

   printf("Enter hours for day %d: ", i+1);

   scanf("%lf", &hours[i]);

}

// create the time card

FILE* fp = fopen("timecard.txt", "w");

fprintf(fp, "First Name: %s\n", first);

fprintf(fp, "Last Name: %s\n", last);

double sum = 0.0;

for(int i = 0; i < 5; i++)

{

   fprintf(fp, "Day %i: %.1lf\n", i+1, hours[i]);

   sum += hours[i];

}

fprintf(fp, "Total: %.1f\n", sum);    

printf("Timecard is ready. See timecard.txt\n");

return 0;

}

Answer:

In Python:

import random

def simulate_visited_area_codes():

   area_codes = []

   for i in range(51):

       num = random.randint(200,1000)

       area_codes.append(num)

   visited_codes = [289, 657, 786, 540]

   count = 0

   for i in range(51):

       for j in range(len(visited_codes)):

           if area_codes[i] == visited_codes[j]:

               count+=1

   return count

print("Visited Areas: "+str(simulate_visited_area_codes()))

Explanation:

So many incomplete details in your question, so I will fill in the gap (i.e. make assumptions)

The assumptions are:

The program and explanation is as follows: (comments are written in bold)

#This imports the random module

import random

#This defines the function

def simulate_visited_area_codes():

#Thie initializes area_codes to an empty list

   area_codes = []

#This iterates from 1 to 50 and generate 50 random numbers to the area_codes list

   for i in range(51):

       num = random.randint(200,1000)

       area_codes.append(num)

#This initializes the visited_code

   visited_codes = [289, 657, 786, 540]

#This initializes count variable to 0

   count = 0

#This iterates through the list and looks for matching code between the area_code and the visited_code lists

   for i in range(51):

       for j in range(len(visited_codes)):

           if area_codes[i] == visited_codes[j]:

#The count variable is incremented by 1 for matching codes

               count+=1

#This returns the count

   return count

#The main begins here and prints the number of area code visited

print("Visited Areas: "+str(simulate_visited_area_codes()))

Simulate one or more responses from the distribution corresponding to a fitted model object.

The code is shown below:-

visited_test_statistics_under_null = make_array()

repetitions = 20000

for i in np.arange(repetitions):

  new_sum_of_correct_area_code = simulate_visited_area_codes()

  visited_test_statistics_under_null = np.append(visited_test_statistics_under_null, new_sum_of_correct_area_code)

visited_test_statistics_under_null( )

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