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Week04_Hw_1.py

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+'''
+## 1. Password
+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 [$#@].
+- Minimum length 6 characters.
+- Maximum length 16 characters.
+If password is not valid throw `ValueError` with a proper error message for each rule.
+If the password is valid print a success message. Use some from  `raise`, `except`, `assert`, `else` and `finally` keywords.
+'''
+
+
+import re
+
+control1="^.*(?=.*[a-z]).*$"
+control2="^.*(?=.*[A-Z]).*$"
+control3="^.*(?=.*[0-9]).*$"
+control4="^.*(?=.*[$#@]).*$"
+control5="^.*(?=.{6,16}).*$"
+
+def password_validation(password):
+    if bool(re.search(control1,password))==False:
+        raise ValueError("This password is not valid. You should use at least one lower letter.")
+    elif bool(re.search(control2,password))==False:
+        raise ValueError("This password is not valid. You should use at least one upper letter.")
+    elif bool(re.search(control3,password))==False:
+        raise ValueError("This password is not valid. You should use at least one digit.")
+    elif bool(re.search(control4,password))==False:
+        raise ValueError("This password is not valid. You should use at least one of them ($,#,@).")
+    elif bool(re.search(control5,password))==False:
+        raise ValueError("This password is not valid. You should use at least 6 characters and max 16 chacters.")
+    else:
+        return 'Password is valid.'
+print(password_validation(input("")))    # aAzc1$22

Week04_Hw_2.py

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+'''
+## 2. 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 math
+import random
+
+Dice=[0,0,0,0,0,0]
+
+for i in range(5000):
+    Dice[random.randint(1,6)-1]+=1
+    for i in range(5):
+        print('Percentage of throws of value {} = {:.2f}%'.format(i+1,(Dice[i]/5000)*100))
+
+##print('Percentage of throws of value {} = {:.2f}%'.format(i+1,(Dice[i]/5000)*100))
+print(Dice)
+

main01.py

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+
+#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"`
+
+import my_dice 
+repetitions_number = int(input("How many times do you want to roll:")) 
+W_number = int(input("which number's percentage:"))  
+print("The probability ",W_number, my_dice.rollDice(repetitions_number, W_number), "%") 

my_dice01.py

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+def rollDice(repetitions_number, W_number):
+    import random 
+    dice = [0, 0, 0, 0, 0, 0]
+
+    for i in range(repetitions_number):
+        x = random.randrange(1, 7)
+        dice[x-1]+=1 
+    percentage= dice[W_number-1]/repetitions_number*100
+    return percentage