feat: all codes of last classes

Author: sahilbansal11

functions/defaultArgsFailing.py

@@ -8,8 +8,10 @@ def introduce(age = 22, name = 'Sahil'):
     print('I am', age, 'years old')
     print()
 
-introduce('Sahil')
-introduce(23)
+
+introduce('Rishi')
+# introduce(23)
+# introduce(25, 'Rishi')
 
 # Does not allow default arguments in the start
 """

functions/pattern.py

@@ -0,0 +1,18 @@
+n = int(input())
+
+for r in range(1, n + 1):
+    for c in range(1, n - r + 1):
+        print(0, end='')
+
+    for c in range(r, 2*r):
+        print(c, end='')
+
+    for c in range(2*(r - 1), r - 1, -1):
+        print(c, end='')
+
+    for c in range(1, n - r + 1):
+        print(0, end='')
+
+    # if it's the last row, then do no print a new line
+    if r < n:
+        print()

functions/patternNaveen.py

@@ -0,0 +1,12 @@
+N = int(input())
+
+
+for i in range(1, N+1):
+    for j in range(N+1-i):
+        if j > 0:
+            # skip printing for the 1st iteration,
+            # print for all the remaining
+            print(' ', end='')
+        for k in range(j, N):
+            print('*', end='')
+    print()

functions/test.py

@@ -0,0 +1,10 @@
+
+def f(a, b, c, d = 1, e = 2, f = 3):
+    print('d', d)
+    print('e', e)
+    print('f', f)
+    print('something')
+
+# skip d
+# pass e
+f(1, 2, 3, e = 4)

functions2/custom_range.py

@@ -0,0 +1,13 @@
+
+def my_range(start=0, end=10):
+    while start < end:
+        print(start, end=' ')
+        start += 1
+
+# my_range(end=20)
+
+# my_range(start=5)
+
+# my_range(10)
+
+my_range()

functions2/default_argument.py

@@ -0,0 +1,20 @@
+# default argument
+
+def print_date(day, month, year, style=0):
+    if style == 0:  # American
+        print(month, '/', day, '/', year)
+    elif style == 1:  # European
+        print(day, '/', month, '/', year)
+    else:
+        print('Invalid Style')
+
+print_date(30, 5, 2022)
+# print_date(5, 30, 2022)
+
+# print_date("30th", "May", "2022")
+
+# print_date(30, 5, 2022, 1)
+
+
+
+

functions2/keyword_arguments.py

@@ -0,0 +1,40 @@
+def print_book_description(title, author, publisher, year, version, num_pages):
+    print('The book has the title', title)
+    print('The book has the author', author)
+    print('The book has the publisher', publisher)
+    print('The book has the year', year)
+    print('The book has the version', version)
+    print('The book has the num_pages', num_pages)
+
+
+# print_book_description('The Lord of The Rings', 'J. R. R Tolkien', 'George Allen & Uwin',
+#                        1954, 1.0, 456)
+
+# This below function call can give incorrect output because we forgot the order
+# of the arguments
+
+# print_book_description('J. R. R Tolkien', 'The Lord of The Rings', 'George Allen & Uwin',
+#                        1954, 1.0, 456)
+
+
+# keyword argument
+
+print_book_description(author='J. R. R Tolkien', title='The Lord of The Rings', publisher='George Allen & Uwin',
+                       year=1954, version=1.0, num_pages=456)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+

functions2/mix_keyword_default.py

@@ -0,0 +1,11 @@
+def print_date(day=1, month=1, year=2022, style=0):
+    if style == 0:  # American
+        print(month, '/', day, '/', year)
+    elif style == 1:  # European
+        print(day, '/', month, '/', year)
+    else:
+        print('Invalid Style')
+
+print_date(day=30, year=2022)
+
+print_date(day=5, style=1, month=5)

list1/build_list_1.py

@@ -0,0 +1,16 @@
+num_matches = int(input('How many matches? '))
+
+idx = 0
+
+# runs = []
+runs = list()  # BOTH these ways create an empty list
+
+while idx < num_matches:
+    print('idx is', idx, 'and matches is: ', num_matches)
+    x = int(input('Please enter the score: '))
+    runs.append(x)
+    print('The current runs list is:', runs)
+    # get the next match data
+    idx += 1
+
+print(type(runs))

list1/doubts.py

@@ -0,0 +1,12 @@
+a = list()
+print(a)
+print(type(a))
+
+b = []
+print(b)
+print(type(b))
+
+from math import pi
+print((4/3)* pi)
+
+print(88/21)

list1/first_list.py

@@ -0,0 +1,16 @@
+# runs scored
+runs = [0, 100, 99, 122, 34, 89, 92, 34, 99, 12]
+
+for x in runs:
+    print(x)
+
+matches = len(runs)
+print('The no. of matches played is:', matches)
+
+print('The runs in the last match is:', runs[matches - 1])
+
+# index is the position of an element in the array
+l = [5, 1, -2, 2, 3, 4]
+
+print('The quiz output is:')
+print(l[2])

list1/list_intro.py

@@ -0,0 +1,14 @@
+m1 = int(input())
+m2 = int(input())
+m3 = int(input())
+m4 = int(input())
+m5 = int(input())
+m6 = int(input())
+m7 = int(input())
+m8 = int(input())
+m9 = int(input())
+m10 = int(input())
+
+sum = m1 + m2 + m3 + m4 + m5 + m6 + m7 + m8 + m9 + m10
+
+print(sum)

list1/list_operations.py

@@ -0,0 +1,11 @@
+# runs scored
+runs = [0, 100, 99, 122, 34, 89, 92, 34, 99, 12]
+
+print(runs)
+
+x = int(input('Please enter the runs in the 11th match: '))
+
+# add some value x to the end of the list
+runs.append(x)
+
+print(runs)

list1/solution1.py

@@ -0,0 +1,27 @@
+
+n = int(input())
+
+A = []
+for i in range(n):
+    x = int(input())
+    A.append(x)
+
+print(A)
+
+B = int(input())
+
+# add B to all the element in the list A
+
+# let's update the existing list
+
+# update the existing
+# A[0] = A[0] + B
+# A[1] = A[1] + B
+# A[2] = A[2] + B
+# print(A)
+
+for idx in range(n):
+    A[idx] = A[idx] + B
+
+print(A)
+

list1/solution1Functions.py

@@ -0,0 +1,15 @@
+# In the assignment, no need to take any input
+# Only write the function
+
+# A is a list
+# B is an integer
+def solve(A, B):
+    n = len(A)
+
+    for i in range(n):
+        A[i] = A[i] + B
+
+    return A
+
+res = solve([9, 1, 2, 5, 6], 4)
+print(res)

list1/update_a_value.py

@@ -0,0 +1,5 @@
+B = 7
+x = 9
+x = x + B
+
+print(x)