Assignments of Week 4

Dice.py

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+#Dice Percentage
+#Create an array with 6 elements named dice. Fill this array with the value zero. 
+# Generate a random number with a value between 1 and 6 (just like a dice) in a repetition 5000 times.
+# If the value is 1, increase the element 0 in the array by 1, 
+# the same applies to the values 2, 3, 4, 5 and 6. 
+# The dice[0] element indicates the number of times value 1 has occurred. 
+# Or in general: dice[x-1] indicates the number of times that x has been thrown.
+# At the end of the repetition, print the contents of the array as percentages with 2 decimal places. 
+# For example; "Percentage of throws of value 3 = 16.28%"
+import random
+dice = [0,0,0,0,0,0]
+r = int(input('Please Enter the Number of Repetition :'))
+
+def percentage(part, whole):
+    Percentage = 100 * float(part)/float(whole)
+    return str(Percentage) +' %'
+
+def dice_percentage():
+    x = [random.randint(1,6) for x in range(r)]
+    for i in x:
+        if i ==1:
+            dice[0]+=1
+        elif i ==2:
+            dice[1]+=1
+        elif i ==3:
+            dice[2]+=1
+        elif i ==4:
+            dice[3]+=1
+        elif i ==5:
+            dice[4]+=1
+        elif i ==6:
+            dice[5]+=1
+def dice_print():
+    print('Percentage of throws of value 1 =',percentage(dice[0], r))
+    print('Percentage of throws of value 2 =',percentage(dice[1], r))
+    print('Percentage of throws of value 3 =',percentage(dice[2], r))
+    print('Percentage of throws of value 4 =',percentage(dice[3], r))
+    print('Percentage of throws of value 5 =',percentage(dice[4], r))
+    print('Percentage of throws of value 6 =',percentage(dice[5], r))
+
+dice_percentage()
+print(dice)
+dice_print()
+

GCD.py

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+#As a user, I want to use a program which can calculate the greatest common divisor (GCD) of my inputs.
+# Acceptance Criteria:
+# Ask user the enter the number of inputs (n).
+# Ask user to enter n input numbers one by one.
+# Use try/except blocks to verify input entries and warn the user for Nan or non numerical inputs.
+# Calculate the greatest common divisor (GCD) of n numbers.
+# Use gcd function in module of math.
+from math import gcd
+A = []
+n = int(input('Please Enter the Number of Inputs :'))
+i = 1
+while i<=n:
+    try:
+        num = int(input('Please Enter the Number:'))
+        A.append(num)
+        i+=1
+    except:
+        print('Please Enter a Numeric Input :')
+        i=i
+print(A)
+print('Greatest Common Divisor of numbers',A,'is',gcd(*A))

PasswordCheck.py

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+# Write a Python program to check the validity of a password (input from users)
+# Rules :
+# At least 1 letter between [a-z] and 1 letter between [A-Z]
+# At least 1 number between [0-9].
+# At least 1 character from [$#@].
+# Minimum length 6 characters.
+# Maximum length 16 characters.
+# If password is not valid throw ValueError with a proper error message for each rule. 
+# If the password is valid print a success message. Use some from raise, except, assert, else 
+# and finally keywords.
+
+import re 
+x = True
+while x: 
+    try:
+        password = input('Please Enter a Password :')
+        if len(password)<6 or len(password)>16:
+            raise PasswoordLengthError ("Your Password Should have minimum 6,maximum 16 characters.")
+        elif not re.search("[0-9]",password):
+           raise DigitUseError ("Please Use At Least One Digit")
+        elif not re.search("[a-z]",password):
+            raise LowercaseUseError ("Please Use At Least One Lowercase Letter")
+        elif not re.search("[A-Z]",password):
+            raise UppercaseUseError ("Please Use At Least One Uppercase Letter")
+        elif not re.search("['$','#','@']",password):
+            raise SpecialcaseUseError ("Please Use At Least One of the '$','#','@' characters")
+    except PasswoordLengthError as e:
+        print("Invalid Entry!..",e)    
+    except DigitUseError as e:
+        print("Invalid Entry!..",e)
+    except LowercaseUseError as e:
+        print("Invalid Entry!..",e)
+    except UppercaseUseError as e:
+        print("Invalid Entry!..",e)
+    except SpecialcaseUseError as e:
+        print("Invalid Entry!..",e)
+    else:
+        print('Password is Valid')
+    finally:
+        print('Password Check Complete')    

main.py

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+from my_dice import rollDice
+rollDice()

my_dice.py

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+# Create a Python module called my_dice.py and export the code you wrote in question 2 into a function 
+# called rollDice(number).
+# Changes:
+# Instead of repetition of 5000 times, makes a repetition of times of given number variable.
+# Instead of printing, return the array of percentages.
+# Then create a new module called main.py. Gets an input from the user using 
+# "Enter repetition number: ". Then call rollDice method with this user input. 
+# Lastly, print each probability. E.g. "The probability of 0 is 16.20"
+
+def rollDice():
+    from Dice import percentage
+    from Dice import dice_percentage
+    from Dice import dice_print
+    dice_percentage()
+    dice_print()