mirror of
https://bitbucket.org/Mattrixwv/pytutorial.git
synced 2025-12-06 18:23:57 -05:00
69 lines
1.8 KiB
Python
69 lines
1.8 KiB
Python
#This is a simple script that deals with normal file operations using a simple random number generator
|
|
##Need to add binary files to this example
|
|
|
|
import random
|
|
|
|
_NUM_TO_GENERATE = 10 #Generate this many random numbers
|
|
_BOTTOM_NUMBER = 1 #The lowest number to generate
|
|
_TOP_NUMBER = 101 #Generate numbers smaller than this
|
|
_FILE_NAME = "test.txt" #The name of the file it is working with
|
|
|
|
#Open the file
|
|
outFile = open(_FILE_NAME, "w")
|
|
print("Generating " + str(_NUM_TO_GENERATE) + " random numbers:")
|
|
randomList = [] #Keeping a list in memory of the numbers generated to compare the file against
|
|
|
|
for x in range(_NUM_TO_GENERATE):
|
|
num = random.randint(_BOTTOM_NUMBER, _TOP_NUMBER)
|
|
print(str(num)) #Print the number to the screen
|
|
outFile.write(str(num) + '\n') #Put the number in the file
|
|
randomList.append(num) #Save the number to an array
|
|
#Close the file
|
|
outFile.close()
|
|
|
|
#Print a message that you have reached the end of number generation
|
|
print("File is now closed")
|
|
print("\nOpening file for reading:")
|
|
|
|
#Open the file for reading
|
|
inFile = open(_FILE_NAME, "r")
|
|
|
|
#Read the numbers back in and print them to the screen
|
|
cnt = 0 #For keeping track of the array element
|
|
for num in inFile:
|
|
num = num.rstrip()
|
|
print(num)
|
|
if(int(num) != randomList[cnt]): #Compare to numbers in the array
|
|
print("The number " + str(num) + " did not match with the number " + str(randomList[cnt])) #Print message if numbers don't match
|
|
break #Break the loop if you had a problem reading an array element, leaving the error message as the last thing in the output
|
|
cnt += 1 #advance the array element if everything was alright
|
|
|
|
#Close the file
|
|
inFile.close()
|
|
|
|
"""Results:
|
|
Generating 10 random numbers:
|
|
14
|
|
99
|
|
48
|
|
43
|
|
23
|
|
28
|
|
81
|
|
89
|
|
29
|
|
20
|
|
File is now closed
|
|
|
|
Opening file for reading:
|
|
14
|
|
99
|
|
48
|
|
43
|
|
23
|
|
28
|
|
81
|
|
89
|
|
29
|
|
20
|
|
""" |