Week_4_

Add_calc.py

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+#Addition
+
+from math import ceil
+
+def addition (n_1,n_2):
+
+   sum= n_1+n_2
+   return ceil(sum)

Answ_1.py

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+## Letters for each line
+
+# Write a Python program to create a file where 
+# all letters of English alphabet(uppercase and lowercase both) 
+# are listed by specified number of letters on each line.
+
+import string
+
+with open('letters_file.txt', 'w') as f:
+    letters=string.ascii_letters
+    for i,letter in enumerate(letters,1):
+        f.write(f'{i} {letter}\n') #on every line write number and letter
+

Answ_2.py

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+## Question 2
+
+# Write a Python program to generate 26 text files named A.txt, B.txt, 
+# and so on up to Z.txt.
+
+import string
+import os
+
+os.mkdir('Letters') #make a directory for alphabet files
+
+os.chdir('Letters') #make the 'Letters' a current directory
+
+letters=string.ascii_uppercase #make a sequence of uppercase letters.
+for letter in letters: # loop to creat lettersnamed files
+    with open(f'{letter}.txt','x'):
+        pass

Answ_3.py

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+## LCM
+
+# As a user, I want to use a program which can calculate the least common 
+# multiple (L.C.M.) of four numbers. So that I can find the 
+# least common multiple (L.C.M.) of my inputs.
+
+# **Acceptance Criteria:**
+
+# * Ask user to enter the four numbers.
+# * Use try/except blocks to verify input entries and warn the user 
+# for Nan or non numerical inputs.
+# * Calculate the least common multiple (L.C.M.) of four numbers
+# * Use gcd function in module of math
+
+import sys #import module sys to get a type of exception
+from math import  lcm #import lcm 
+
+
+
+print('Enter 4 numbers.')
+try:
+   a,b,c,d = list(map(int, input('Numbers - ').split())) #input numbers
+    # print(a,c,d)
+except ValueError as e: #to verify input entries
+         print()
+         print('Plese enter integer numbers!')
+         print('Try again!')
+   # Calculate the least common multiple (L.C.M.) of four numbers 
+   # use lcm (not gcd) function!   
+print('least common multiple (L.C.M.) of four numbers',lcm(a,b,c,d))
+
+

Answ_4.py

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+## 4- Mis Calculator
+
+# As a user, I want to use a program which can calculate basic 
+#  mathematical operations. So that I can add, subtract, 
+#  multiply or divide my inputs.
+
+# **Acceptance Criteria:**
+
+# * The calculator must support the Addition, Subtraction, Multiplication 
+# and  Division operations.
+# * Define four functions in four files for each of them, with two float 
+# numbers as parameters.
+# * To calculate the answer, use math.ceil()  and get the next integer 
+# value greater than the result
+# * Create a menu using the print command with the respective options 
+# and take an input choice from the user.
+# * Using if/elif statements for cases and call the appropriate functions.
+# * Use try/except blocks to verify input entries and warn the user 
+# for incorrect inputs.
+# * Ask user if calculate numbers again. To implement this, take the 
+# input from user `Y` or `N`.
+
+from Add_calc import *
+from Divis_calc import *
+from Mult_calc import *
+from Substr_calc import *
+
+actions = {
+    '/': divis,
+    '+': addition,
+    '-': substract,
+    '*': multipl
+}
+
+while True:
+    try:
+        print('\n\n Hello to Mis Calculator!\n')
+        a = float(input('Enter first number -'))
+        b = float(input('Enter second number -'))
+
+
+        action = input('''Chose the action. 
+        Enter character: 
+        + for add
+        - for subtract
+        * for multiply
+        / for divide''')
+        assert action in actions
+        print(f'The result is {(actions[action](a,b))}') 
+    except ValueError as e:
+        print()
+        print('Enter number only!')
+        print()
+    except AssertionError:
+        print()
+        print('Unavailable action.')
+
+    answer = input('Whould you like to continue? Y or N... ')
+    if answer.lower() in 'yes':
+        continue
+    else:
+        break 

Divis_calc.py

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+#Division
+
+from math import ceil
+
+def divis (n_1,n_2):
+   try:
+        div= n_1/n_2
+   except ZeroDivisionError:
+         print('Sorry, it is not possible!')
+   return ceil(div)

Mult_calc.py

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+#Multiplication
+
+from math import ceil
+
+def multipl (n_1,n_2):
+
+   mult= n_1*n_2
+   return ceil(mult)

Substr_calc.py

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+#Substraction
+
+from math import ceil
+
+def substract (n_1,n_2):
+
+   sub = n_1-n_2
+   return ceil(sub)