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Inban-pythonic · web-flow · commit f86f0203a8e7 · 2017-11-09T05:23:42.000+05:30
diff --git a/1.12 Python Introduction - useful Examples.py b/1.12 Python Introduction - useful Examples.py
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+# 1)This program prints Hello, world!
+#print('Hello, world!')
+
+
+#2) This program adds two numbers
+num1 = 1.5
+num2 = 6.3
+# Add two numbers
+sum = float(num1) + float(num2)
+# Display the sum
+#print('The sum of {0} and {1} is {2}'.format(num1, num2, sum))
+
+
+"""# Store input numbers
+num1 = input('Enter first number: ')
+num2 = input('Enter second number: ')
+# Add two numbers
+sum = float(num1) + float(num2)
+# Display the sum 
+print('The sum of {0} and {1} is {2}'.format(num1, num2, sum))"""
+
+#print('The sum is %.1f' %(float(input('Enter first number: '))+float(input('Enter second number: '))))
+
+
+# 3)Python Program to calculate the square root
+# Note: change this value for a different result
+num = 8 
+# uncomment to take the input from the user
+#num = float(input('Enter a number: '))
+num_sqrt = num ** 0.5
+#print('The square root of %0.3f is %0.3f'%(num ,num_sqrt))
+
+
+
+# Find square root of real or complex numbers
+# Import the complex math module
+import cmath
+# change this value for a different result
+num = 1+2j
+# uncommment to take input from the user
+#num = eval(input('Enter a number: '))
+num_sqrt = cmath.sqrt(num)
+#print('The square root of {0} is {1:0.3f}+{2:0.3f}j'.format(num ,num_sqrt.real,num_sqrt.imag))
+
+
+#4) Python Program to find the area of triangle
+a = 5
+b = 6
+c = 7
+# Uncomment below to take inputs from the user
+# a = float(input('Enter first side: '))
+# b = float(input('Enter second side: '))
+# c = float(input('Enter third side: '))
+# calculate the semi-perimeter
+s = (a + b + c) / 2
+# calculate the area
+area = (s*(s-a)*(s-b)*(s-c)) ** 0.5
+#print('The area of the triangle is %0.2f' %area)
+
+
+# 5)Solve the quadratic equation ax**2 + bx + c = 0
+# import complex math module
+import cmath
+a = 1
+b = 5
+c = 6
+# To take coefficient input from the users
+# a = float(input('Enter a: '))
+# b = float(input('Enter b: '))
+# c = float(input('Enter c: '))
+# calculate the discriminant
+d = (b**2) - (4*a*c)
+# find two solutions
+sol1 = (-b-cmath.sqrt(d))/(2*a)
+sol2 = (-b+cmath.sqrt(d))/(2*a)
+#print('The solution are {0} and {1}'.format(sol1,sol2))
+
+
+
+
+#6) Python program to swap two variables
+# To take input from the user
+# x = input('Enter value of x: ')
+# y = input('Enter value of y: ')
+x = 5
+y = 10
+# create a temporary variable and swap the values
+temp = x
+x = y
+y = temp
+#print('The value of x after swapping: {}'.format(x))
+#print('The value of y after swapping: {}'.format(y))
+
+#7) Program to generate a random number between 0 and 9
+# import the random module
+import random
+#print(random.randint(0,9))
+
+#8) Python Program to Convert Kilometers to Miles
+
+kilometers = 5.5
+# To take kilometers from the user, uncomment the code below
+#kilometers = input("Enter value in kilometers")
+# conversion factor
+conv_fac = 0.621371
+# calculate miles
+miles = kilometers * conv_fac
+#print('%0.3f kilometers is equal to %0.3f miles' %(kilometers,miles))
+
+#9) Python Program to convert temperature in celsius to fahrenheit
+# change this value for a different result
+celsius = 37.5
+# calculate fahrenheit
+fahrenheit = (celsius * 1.8) + 32
+#print('%0.1f degree Celsius is equal to %0.1f degree Fahrenheit' %(celsius,fahrenheit))
+
+
+
+
+
+
+
