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Commit 20fd0e3

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'''
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User Interaction
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Do the following to solve this problem:
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Don't use the input function in this code
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1. Store 2 values to num_1 and num_2
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2. Use format to output a result such as 1 + 2 = 3
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'''
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# Assign 2 numbers, num_1 = 1, num_2 = 2
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num_1, num_2 = int(1), int(2)
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# use format to output 1 + 2 = 3
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print("{} + {} = {}".format(num_1, num_2, int(num_1 + num_2)))
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'''
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Converting from Miles to Kilometers
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To solve this problem:
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Don't use the input function in this code
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1. Assign a value to miles
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2. Convert miles to kilometers (1 mile == 1.60934 kilometers and store the result in kilometers
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3. Use format to print (ex. 1 miles equals 1.60934 kilometers)
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'''
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# Assign a value to miles (1 in this case)
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miles = int(1)
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#Convert to km
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kilometers = miles * 1.60935
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# Then print this example 1 miles equals 1.60935 kilometers using format
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print("{} miles equals {} kilometers".format(miles,kilometers))
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# Asks the user to input the number of miles
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miles = input("Number of miles: ")
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# You'll convert miles to kilometers (kilometers = miles * 1.60935)
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miles = float(miles)
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kilometers = miles * 1.60935
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# Then print this example 5 miles equals 8.0467 kilometers
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print("{} miles equals {} kilometers".format(miles,kilometers))
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# Request user input and print a hello message
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name = input('What is your name : ')
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print('Hello', name)
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# Assign 2 values by splitting user input at the whitespace
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num_1, num_2 = input('Enter 2 Numbers : ').split()
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# Convert strings into regular numbers (integers)
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num_1 = int(num_1)
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num_2 = int(num_2)
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# Add the values entered and store in sum
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sum_1 = num_1 + num_2
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# Subtract the values and store in difference
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difference = num_1 - num_2
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# Multiply the values and store in product
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product = num_1 * num_2
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# Divide the values and store in quotient
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quotient = num_1 / num_2
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# Use modulus on the values to find the remainder
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remainder = num_1 % num_2
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# format() loads the variable values in order into the {} placeholders
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print("{} + {} = {}".format(num_1, num_2, sum_1))
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print("{} - {} = {}".format(num_1, num_2, difference))
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print("{} * {} = {}".format(num_1, num_2, product))
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print("{} / {} = {}".format(num_1, num_2, quotient))
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print("{} % {} = {}".format(num_1, num_2, remainder))
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# Python Problem
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'''
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I want you to write a program that:
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Asks the user to input the number of miles
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You’ll convert miles to kilometers (kilometers = miles * 1.60934)
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Then print this for example 5 miles equals 8.0467 kilometers
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'''
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# Solution
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# Ask the user to input miles and assign it to the miles variable
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miles = input('Enter Miles ')
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# Convert from string to integer
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miles = int(miles)
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# Perform calculation by multiplying 1.60934 times miles
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kilometers = miles * 1.60934
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# Print results using format()
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print("{} miles equals {} kilometers".format(miles, kilometers))
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# The Math Module contains many useful functions
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# Import the math module
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import math
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# Because you used import you access methods by referencing the module
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print("ceil(4.4) = ", math.ceil(4.4))
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print("floor(4.4) = ", math.floor(4.4))
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print("fabs(-4.4) = ", math.fabs(-4.4))
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# Factorial = 1 * 2 * 3 * 4
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print("factorial(4) = ", math.factorial(4))
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# Return remainder of division
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print("fmod(5,4) = ", math.fmod(5,4))
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# Receive a float and return an int
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print("trunc(4.2) = ", math.trunc(4.2))
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# Return x^y
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print("pow(2,2) = ", math.pow(2,2))
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# Return the square root
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print("sqrt(4) = ", math.sqrt(4))
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# Special values
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print("math.e = ", math.e)
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print("math.pi = ", math.pi)
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# Return e^x
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print("exp(4) = ", math.factorial(4))
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# Return the natural logarithm e * e * e ~= 20 so log(20) tells
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# you that e^3 ~= 20
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print("log(20) = ", math.log(20))
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# You can define the base and 10^3 = 1000
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print("log(1000,10) = ", math.log(1000,10))
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# You can also use base 10 like this
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print("log10(1000) = ", math.log10(1000))
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# We have the following trig functions
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# sin, cos, tan, asin, acos, atan, atan2, asinh, acosh,
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# atanh, sinh, cosh, tanh
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# They follow this format
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print("sin(0) ", math.sin(0))
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# Convert radians to degrees and vice versa
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print("degrees(1.5708) = ", math.degrees(1.5708))
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print("radians(90) = ", math.radians(90))
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'''
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Determine School Grade
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To solve this program:
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Don't use th input function in this code
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1. Assign an age to the variable age
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2. Based on age using conditional and logical operators output one of the following:
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a. "Too young for School"
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b. "Go to Kindergarten"
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c. "Go to Grade [Calculated Grade]"
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c. "Go to College"
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Going for a minimalist program, did not comment the code
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'''
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age = int(input("Enter Age: "))
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if age < 5: print("Too Young for School")
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elif age == 5: print("Go to Kindergarten")
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elif (age >= 6) and (age <= 17): print("Go to Grade", age-5)
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else: print("Go to College")
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# If age 5 "Go to Kindergarten"
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# Ages 6 though 17 goes to grades 1 though 12 "Go to Grade 6"
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# If age is greater than 17 then say "Go to College"
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age = int(input("Age?: "))
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if age == 5:
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print("Go to Kindergarten")
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elif age >= 6 and age <= 17:
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print("Go to Grade", (age-5))
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elif age > 17:
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print("Go to College")
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else:
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print("Too young for school")

‎S5_Conditional_Operations/pythontut3.py

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# Conditional Operators
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# > : Greater than
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# < : Less than
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# >= : Greater than or equal to
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# <= : Less than or equal to
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# == : Equal to
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# != : Not equal to
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# Drink Question Code
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# if, elif, and else are followed by a condition and then a colon
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# The code that follows is indented to show what code should be executed depending on the condition
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# It is important that the lines be indented exactly the same amount on each line
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# I added a default condition with else, so that if the user wanted neither they would get water
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drink = input("Pick One (Coke, or Pepsi) : ")
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if drink == "Coke":
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print("Here is your Coke")
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elif drink == "Pepsi":
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print("Here is your Pepsi")
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else:
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print("Here is your water")
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# Python Problem for you to Solve
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# Taking what you have learned about conditional operators and previous videos, I want you to make a calculator
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# You’ll accept 2 numbers separated by an operator
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# You’ll then use conditional operators to determine what calculation to make
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# Sample output to model :
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# Enter Calculation : 5 * 6
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# 5 * 6 = 30
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# Store the user input of 2 numbers and an operator
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num1, operator, num2 = input('Enter Calculation: ').split()
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# Convert strings into integers
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num1 = int(num1)
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num2 = int(num2)
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# If, else if (elif) and else execute different code depending on a condition
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if operator == "+":
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print("{} + {} = {}".format(num1, num2, num1+num2))
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# If the 1st condition wasn't true check if this one is
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elif operator == "-":
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print("{} - {} = {}".format(num1, num2, num1 - num2))
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elif operator == "*":
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print("{} * {} = {}".format(num1, num2, num1 * num2))
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elif operator == "/":
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print("{} / {} = {}".format(num1, num2, num1 / num2))
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# If none of the above conditions were true then execute this by default
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else:
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print("Use either + - * or / next time")
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# Logical Operators
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# and : If both are true it returns true
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# or : If either are true it returns true
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# not : Converts true into false and vice versa
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# Write a program that will determine whether a birthday is important or not
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# I’ll use the following criteria to determine that.
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# 1 - 18 -> Important
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# 21, 50, > 65 -> Important
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# All others -> Not Important
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# Ask for the users age and cast to an integer
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age = int(input("Enter Age : "))
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# If age is both greater than or equal to 1 and less than or equal to 18 it is true
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if (age >= 1) and (age <= 18):
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print("Important Birthday")
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# If age is either 21 or 50 then it is true
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elif (age == 21) or (age == 50):
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print("Important Birthday")
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# We check if age is less than 65 and then convert true to false or vice versa
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# This is the same as if we put age > 65
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elif not(age < 65):
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print("Important Birthday")
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else:
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print("Sorry Not Important")
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# 2nd Python Problem for you to Solve
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# We’ll determine what grade someone should go to depending on their age. Here is my criteria for determining grade :
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# 1. If age 5 "Go to Kindergarten"
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# 2. Ages 6 through 17 goes to grades 1 through 12 "Go to Grade 6"
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# 3. If age is greater then 17 then say "Go to College"
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# Here is sample output :
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# Enter age : 6
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# Go to Grade 6
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# Ask for the age
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age = int(input("Enter age: "))
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# Handle if age < 5
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if age < 5:
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print("Too Young for School")
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# Special output just for age 5
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elif age == 5:
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print("Go to Kindergarten")
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# Since a number is the result for ages 6 - 17 we can check them all
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# with 1 condition
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# Use calculation to limit the conditions checked
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elif (age > 5) and (age <= 17):
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grade = age - 5
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print("Go to Grade {}".format(grade))
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# Handle everyone else
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else:
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print("Go to College")
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# Ternary Operator
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# The ternary operator is used to assign one value or another based on a condition
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# It follows this format condition_true if condition else condition_false
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age = int(input("What is your age? "))
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can_vote = True if age >= 18 else False
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print("You can vote :", can_vote)

‎S6_For_and_Range/Python+Tutorial+4.pdf

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