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Author: thatsabhishek

Diff for: Milestone 1/Conditionals and Loops/Calculator.py

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+# Write a program that performs the tasks of a simple calculator. 
+# The program should first take an integer as input and 
+# then based on that integer perform the task as given below.
+# 1. If the input is 1, then 2 integers are taken from the user and
+# their sum is printed.
+# 2. If the input is 2, then 2 integers are taken from the user and
+# their difference(1st number - 2nd number) is printed.
+# 3. If the input is 3, then 2 integers are taken from the user and
+#  their product is printed.
+# 4. If the input is 4, then 2 integers are taken from the user and
+#  the quotient obtained (on dividing 1st number by 2nd number) is printed.
+# 5. If the input is 5, then 2 integers are taken from the user and
+#  their remainder(1st number mod 2nd number) is printed.
+# 6. If the input is 6, then the program exits.
+# 7. For any other input, then print "Invalid Operation".
+
+while True:
+    i = int(input())
+    if(i == 1):
+        a = int(input())
+        b = int(input())
+        print(a+b)
+    elif(i == 2):
+        a = int(input())
+        b = int(input())
+        print(a-b)
+    elif(i == 3):
+        a = int(input())
+        b = int(input())
+        print(a*b)
+    elif(i == 4):
+        a = int(input())
+        b = int(input())
+        print(a/b)
+    elif(i == 5):
+        a = int(input())
+        b = int(input())
+        print(a % b)
+    elif(i == 6):
+        break
+    else:
+        print("Invalid Operation")

Diff for: Milestone 1/Conditionals and Loops/Checknumber.py

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+# Given an integer n, find if n is positive, negative or 0.
+# If n is positive, print "Positive"
+# If n is negative, print "Negative"
+# And if n is equal to 0, print "Zero".
+
+n = int(input())
+
+if(n > 0):
+    print("Positive")
+elif(n == 0):
+    print("Zero")
+else:
+    print("Negative")

Diff for: Milestone 1/Conditionals and Loops/Fahrenheit to Celsius.py

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+# Given three values - Start Fahrenheit Value (S), End Fahrenheit value (E) and Step Size (W), 
+# you need to convert all Fahrenheit values from Start to End at the gap of W, 
+# into their corresponding Celsius values and print the table.
+
+S = int(input())
+E = int(input())
+W = int(input())
+
+while E >= S:
+    c = (5*(S-32))/9
+    d = int(c)
+    print(S, d)
+    S = S+W

Diff for: Milestone 1/Conditionals and Loops/Nth Fibonacci Number.py

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+# Nth term of Fibonacci series F(n), where F(n) is a function, 
+# is calculated using the following formula -
+#     F(n) = F(n-1) + F(n-2), 
+#     Where, F(1) =  1, 
+#            F(2) = 1
+# Provided N you have to find out the Nth Fibonacci Number.
+
+def fact(n):
+    if n==1:
+        return 1
+    elif n==2:
+        return 1
+    else:
+        sum = 0
+        a = 1
+        b = 1
+        while n-1 != 0:
+            sum += a
+            a = b
+            b = sum
+            n=n-1
+        return sum
+    
+n = int(input())
+print(fact(n))

Diff for: Milestone 1/Conditionals and Loops/Palindrome number.py

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+# Write a program to determine if given number is palindrome or not. 
+# Print true if it is palindrome, false otherwise.
+# Palindrome are the numbers for which reverse is exactly same as the original one. 
+# For eg. 121
+
+def checkPalindrome(num):
+	n = num
+	sum = 0
+	while(n != 0):
+		r = n%10
+		sum = sum*10+r
+		n = n//10
+	return sum
+		
+		
+num = int(input())
+isPalindrome = checkPalindrome(num)
+if(isPalindrome == num):
+	print('true')
+else:
+	print('false')

Diff for: Milestone 1/Conditionals and Loops/Reverse of a number.py

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+# Write a program to generate the reverse of a given number N. 
+# Print the corresponding reverse number.
+# Note : If a number has trailing zeros, then its reverse will not include them. 
+# For e.g., reverse of 10400 will be 401 instead of 00401.
+
+N = int(input())
+sum = 0
+while(N != 0):
+    r = N % 10
+    sum = sum*10+r
+    N = N//10
+print(sum)

Diff for: Milestone 1/Conditionals and Loops/Sum of Even Numbers.py

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+# Given a number N, print sum of all even numbers from 1 to N.
+
+N = int(input())
+sum = 0
+if(N % 2 == 0):
+    while(N != 0):
+        sum = sum+N
+        N = N-2
+else:
+    N = N-1
+    while(N != 0):
+        sum = sum+N
+        N = N-2
+print(sum)

Diff for: Milestone 1/Conditionals and Loops/Sum of even & odd.py

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+# Write a program to input an integer N and print the sum of all its even digits and
+# sum of all its odd digits separately.
+# Digits mean numbers, not the places! 
+# That is, if the given integer is "13245", even digits are 2 & 4 and odd digits are 1, 3 & 5.
+
+N = int(input())
+even = 0
+odd = 0
+n = N
+while(n != 0):
+    r = n % 10
+    if(r % 2 == 0):
+        even = even+r
+    else:
+        odd = odd+r
+    n = n//10
+print(even, odd)

Diff for: Milestone 1/Conditionals and Loops/Sum of n numbers.py

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+# Given an integer n, find and print the sum of numbers from 1 to n.
+# Note: Use while loop only.
+
+n = int(input())
+sum = 0
+while(n != 0):
+    sum = sum+n
+    n = n-1
+print(sum)

Diff for: Milestone 1/Introduction/ArithmeticProgression.py

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+# You are given first three entries of an arithmetic progression. 
+# You have to calculate the common difference and print it.
+
+a = int(input())
+b = int(input())
+c = int(input())
+
+e = c-b
+print(e)

Diff for: Milestone 1/Introduction/FindXraisedtopowerN.py

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+# You are given two integers: X and N. You have to calculate X raised to power N and print it.
+
+X = int(input())
+N = int(input())
+
+a = X**N
+print(a)

Diff for: Milestone 1/Introduction/FindaverageMarks.py

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+# Write a program to input marks of three tests of a student (all integers). 
+# Then calculate and print the average of all test marks.
+
+a=int(input())
+b=int(input())
+c=int(input())
+d=(a+b+c)/3
+print(d)

Diff for: Milestone 1/Introduction/RectangularArea.py

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+# You are given a rectangle in a plane. The coordinates of one of its diagonals are provided to you. 
+# You have to print the total area of the rectangle.
+# The coordinates of the rectangle are provided as four integral values: x1, y1, x2, y2. 
+# It is given that x1 < x2 and y1 < y2.
+
+x1 = int(input())
+y1 = int(input())
+x2 = int(input())
+y2 = int(input())
+
+ar = (x1-y1)*(x2-y2)
+print(ar)

Diff for: Milestone 1/More on Loops/Binary Pattern.py

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+# Print the following pattern for the given number of rows.
+# Pattern for N = 4
+# 1111
+# 000
+# 11
+# 0
+
+n = int(input())
+m = n
+for i in range(n):
+    if i % 2 == 0:
+        print(m*'1', end='')
+    else:
+        print(m*'0', end='')
+    m -= 1
+    print()

Diff for: Milestone 1/More on Loops/DiamondofStars.py

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+# Print the following pattern for the given number of rows.
+# Note: N is always odd.
+# Pattern for N = 5
+#    *
+#   ***
+#  *****
+#   ***
+#    *
+
+n = int(input())
+i = 1
+s = (n+1)/2
+while i <= s:
+    sp = 1
+    while sp <= s-i:
+        print(' ', end='')
+        sp = sp+1
+    j = 1
+    while j <= 2*i-1:
+        print('*', end='')
+        j = j+1
+    print()
+    i = i+1
+i = s-1
+m = i
+while i >= 1:
+    j = 1
+    while j <= m-i+1:
+        print(' ', end='')
+        j = j+1
+    k = 1
+    while k <= 2*i-1:
+        print("*", end='')
+        k = k+1
+    print()
+    i = i-1

Diff for: Milestone 1/More on Loops/Print Number Pyramid.py

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+# Print the following pattern for a given n.
+# For eg. N = 6
+
+# 123456
+#  23456
+#   3456
+#    456
+#     56
+#      6
+#     56
+#    456
+#   3456
+#  23456
+# 123456
+
+n = int(input())
+i = 1
+a = 1
+while i <= n:
+    sp = 1
+    while sp < i:
+        print(' ', end='')
+        sp = sp+1
+    for j in range(a, n+1):
+        print(j, end='')
+    print()
+    a = a+1
+    i = i+1
+    j = j+1
+i = 1
+a = n-1
+while i <= n-1:
+    sp = 1
+    while sp <= n-i-1:
+        print(' ', end='')
+        sp = sp+1
+    for j in range(a, n+1):
+        print(j, end='')
+    print()
+    i = i+1
+    a = a-1

Diff for: Milestone 1/More on Loops/Printthepattern.py

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+# Print the following pattern for the given number of rows.
+# Pattern for N = 5
+#  1    2   3    4   5
+#  11   12  13   14  15
+#  21   22  23   24  25
+#  16   17  18   19  20
+#  6    7    8   9   10
+
+def pattern(n):
+    mid = (n >> 1)
+    if n & 1 != 0:
+        mid += 1
+    val = 1
+    for i in range(mid):
+        for j in range(val, val + n):
+            print(j, end=' ')
+        print()
+        val += (n << 1)
+    if n & 1 != 0:
+        val -= (n << 1)
+        val -= n
+        for i in range(mid, n):
+            for j in range(val, val + n):
+                print(j, end=' ')
+            print()
+            val -= (n << 1)
+    else:
+        val -= n
+        for i in range(mid, n):
+            for j in range(val, val + n):
+                print(j, end=' ')
+            print()
+            val -= (n << 1)
+
+
+n = int(input())
+pattern(n)

Diff for: Milestone 1/More on Loops/RectangularNumbers.py

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+# Print the following pattern for the given number of rows.
+# Pattern for N = 4
+# 4444444
+# 4333334
+# 4322234
+# 4321234
+# 4322234
+# 4333334  
+# 4444444
+
+MAX = 100
+
+
+def prints(a, size):
+    for i in range(size):
+        for j in range(size):
+            print(a[i][j], end='')
+        print()
+
+
+def innerPattern(n):
+
+    size = 2 * n - 1
+    front = 0
+    back = size - 1
+    a = [[0 for i in range(MAX)]
+         for i in range(MAX)]
+    while (n != 0):
+        for i in range(front, back + 1):
+            for j in range(front, back + 1):
+                if (i == front or i == back or
+                        j == front or j == back):
+                    a[i][j] = n
+        front += 1
+        back -= 1
+        n -= 1
+    prints(a, size)
+
+
+n = int(input())
+innerPattern(n)