PYTHON CODING

Question 1

how to generate random number within a range

Answer 1

import random
x = random.randint(1,100)
print(x)

outputs random number from 1-100

Question 2

how to make string all uppercase, lowercase and find length of string

Answer 2

length = len(x)
uppercase = x.upper()
lowercase = x.lower()

Question 3

how to repeat code a specific number of times

Answer 3

for i in range(100):
print(“hello”)

Question 4

how to repeat code while condition is met/not met

Answer 4

x = 0
while x < 10:
print(x)
x = x + 1

Question 5

how to do functions

Answer 5

def add10(x):
for i in range(10):
x = x + 1
print(x)
return(x)

add10(10)

Question 6

how to make an array and how to find the item in an array and how to change item in an array

Answer 6

a = [1,2,3,4,5]

print(a[2])
a[2] = 5
print(a)

line:
1 = how to make an array
3 = how to find item in an array
4 = how to change item in an array

Question 7

how to find specific character in a string

Answer 7

a = “hello world”
print(a[1:4])

should print out “ell”

Question 8

how do you open a file and create a new file

Answer 8

file = open(“file name.txt”)
newFile(“myFile.txt”)

Question 9

how do you read and write to a file and then close the file

Answer 9

filename_variable.writeLine(“hello world”) writes “hello world” to file

filename_variable.readLine() read line 1
filename_variable.readLine() reads line 2

filename_variable.close()