PythonBasicPrograms.py

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# Author: Rahim Siddiq
# Python Basic Programs
################################

###Problem 1###
# User Input #
n = int(input("Please enter a number:"))

# Prevent negative values #
while n < 0:
    print("Please enter positive integer values.")
    n = int(input("Please enter a number:"))
    
# Condional based on user input #
for i in range(n):
    # Inside Loop to make j run i number of times #
    for j in range(n):
        # print stars and leave a space, end= to keep in same line #
        print("*", end = "")
    # Once inside loop prints stars, print line numbers # 
    print("", i + 1)
        
# Print the number of stars #    
print("You displayed", (n * n), "stars.")  

###Problem 2###
# User input #
n = int(input("Enter the max number of stars per line"))

# Prevent negative values #
while n < 0:
    print("Please enter positive integer values.")
    n = int(input("Please enter the max number of stars per line:"))

# Conditional to print stars in ascending order from 1 to user input #
for i in range(1, n + 1):
    # Nested loop to print stars in increment #
    for j in range(1, i + 1):
        # Print stars and format on the same line with end= followed by a space #
        print("*", end = "")
    # Print the number of the line #    
    print("", i)

# Contional to print stars in descending order from user input - 1 to 0 in negative increment #
for i in range(n - 1, 0, -1):
    # Nested loop to print stars #
    for j in range(0, i):
        # Print stars on same line with end= followed by a space #
        print("*", end = "")
    # Print the line number #
    print("", i)

###Problem 3###
# User Input #
n = int(input("Please enter the max number of starts per line:"))

# Prevent negative values #
while n < 0:
    print("Please enter positive integer values.")
    n = int(input("Please enter the max number of starts per line:"))

print("Part I")

# from to to range of user input + 1 so its input inclusive #
for i in range(1, n + 1):
    # Nested loop to print starts incrementally #
    for j in range(1, i + 1):
        # Print starts j times using end= to list on the same line and space #
        print(i, end = "")
    # Print space, value of i end= to keep in line \n for new line next time through loop #   
    print(" ", i, end = "\n")

# From user input - 1 to 0 in negative increment #
for i in range(n - 1, 0, -1):
    # Loop to print in negative incrament #
    for j in range(i, 0, -1):
        # Print i j many times end= to keep on same line then a space #
        print(i, end = "")
    # Print space value of i end= keep line and call for a new line for next loop #    
    print(" ", i, end = "\n")

print("Part II")

# Loop for invesrse. from user input to 0 decrement by 1 #
for i in range(n, 0, -1):
    # Nest loop to print starts #
    for j in range(i, 0, -1):
        # Print i j number of times decrementally #
        print(i, end = "")
    # Print value of i end= to keep line and \n to call new line    
    print(" ", i, end = "\n")

# Similar to start loop except range at 2 to avoid double input from previous loop #
for i in range(2, n + 1):
    for j in range(1, i + 1):
        print(i, end = "")
    print(" ", i, end = "\n")

###Problem 4###
# import random module #
import random

# while function to run program #
while True:
    # generate random number 1/2 by calling randint object from random module #
    flip = random.randint(1, 3)
    # User input to enter choice #
    choice = int(input("Enter the number 1 For Heads, 2 For Tails or 0 To Exit"))
    # Conditionals based on input continue loop until user quits #
    if choice == 0:
        print("Goodbye")
        break
    elif choice == flip:
        print("You win")
    else:
        print("You loose")

###Problem 5###
# Import random module #
import random

# generate random int between 1 - 10 using randint object inside random module #
randomn = random.randint(1, 11)
# Promt user to enter guess #
guess = int(input("Guess any number 1 to 10 or 0 to Exit"))
# Variable to track count #
count = 1
# Loop for program #
while True:
    # Option for user exit #
    if guess == 0:
        print("Goodbye")
        break
    # Avoid negative inputs #    
    elif guess < 1:
        print("Please enter a valid selection") 
        guess = int(input("Guess any number 1 to 10 or 0 to Exit"))
    # Avoid inputs above range #
    elif guess > 10:
        print("Please enter a valid selection")  
        guess = int(input("Guess any number 1 to 10 or 0 to Exit"))
    # If incorrect give hint #
    elif (guess < randomn):
        print("You guessed too low")
    # if incorrect give hint #
    elif (guess > randomn):
        print("You guessed too high")
    # Correct input breaks loop, count update for loop and return to user input function #
    else:
        print("You guessed correctly, it only took you", count, "tries")
        break
    count = count + 1    
    guess = int(input("Guess any number 1 to 10 or 0 to Exit"))

###Problem 6###
# User input #
number = int(input("Enter multiplication table you want to see "))
# User input for size of table #
max_number = int(input("Enter max you want your table to go "))
# Prevent negative values #
while max_number < 1:
    print("Please enter positive values for table size.")
    max_number = int(input("Enter max you want your table to go "))
# Print for formatting #
print("---------------------")
print("The table of %d" % number)                                           
print("---------------------")
# printing table of user entered size #
for i in range(1, max_number + 1):
    print(i, "*", number, "=", i * number)
# Formatting print statments #
print("---------------------")
print("Done Counting ...") 
print("---------------------")

###Problem 7###
# User input #
st = input("Enter a string:")
# Open file in write format and assign to variable file #
file = open("myfile.txt", "w")
# Write string to file #
file.write("You entered the words below \n")
# New line at the end of string #
file.write(st + "\n")
# split words in string assign to variable words #
words = st.split()
# Write statement to file and start new line #
file.write("The words are split and then sorted \n")
# Variable name for sorted words #
sor = sorted(words)
# Driver code #
for i in sor:
    file.write(i + " ")
file.write("\nThe sorted words are:\n")
for i in sor:
    file.write(i + "\n")
# Close file open myfile in read format then close file #
file.close()
file1 = open("myfile.txt", "r+")
print(file1.read())
file1.close()

###Problem 8###
# function to check palindrome #
def isPalindrome(s):
 
    # Using reversed to flip order of string #
    rev = ''.join(reversed(s))
 
    # Check for equality #
    if (s == rev):
        return True
    return False
 
# User input #
s = input("Please enter string")
# call def function #
ans = isPalindrome(s)

# Driver code to return print statement input from user in both entered and fliped format # 
if (ans):
    print("Yes", s, "spelled backwards is", ''.join(reversed(s)))
else:
    print("No", s, "spelled backwards is", ''.join(reversed(s)))

###Problem 9###
# User input #
name = input("Please enter your name or 0 to quit:")
# Loop for user input #
while name != "0":
    # User input for gender assign suffix or exit #
    gender = int(input("Enter your gender(1 = Male, 2 = Female, 0 = Quit):"))
    if gender == 1:
        suffix = "Mr."
        print("Welcome", suffix, name, "!")
    elif gender == 2:
        suffix = "Ms."
        print("Welcome", suffix, name, "!")
    elif gender == 0:
        break

    # User input for calories or distance #
    choice = int(input("Number of calories to burn or distance to run?(1 = distance, 2 = cals:)"))
    # formula based on distance run converts to calories lost #
    if choice == 1:
        weight = int(input("Enter your weight in pounds:"))
        dist = int(input("Enter the distance run in miles:"))
        cals = .653 * weight * dist
        print("Congratulations", suffix, name, "you burn", format(cals, ",.2f"), "calories if you run", dist, "miles.")
    # formula based on desired calories to burn outputs distance to run #
    elif choice == 2:
        weight = int(input("Enter your weight in pounds:"))
        cals = float(input("Enter calories to burn:"))
        dist = cals / (.653 * weight)
        print(suffix, name, ", you need to run", format(dist, ",.2f"), "miles, if you want to burn", cals, "calories.")
    # Continue loop until user quits #
    name = input("Enter your name or 0 to quit:")
print("Good Bye")

###Problem 10###
# Def Fuction #
def calculateParkingFee(count, hr):
    # Flat Rate #
    parkingfee = 3
    # conditional loop for hours past 3 #
    if hr > 3:
        # Subtract flat rate #
        additional = hr - 3
        # add a dollar for each hour over flat rate #
        parkingfee = parkingfee + (additional * 1)
    # conditional for parking over 12 hours #
    if parkingfee > 12:
        # flat rate 12 #
        parkingfee = 12
    # Print values and \t for spacing to make tabular then return function #
    print(count, "\t" * 2, hr, "\t" * 2, parkingfee)
    return parkingfee

# User input for number of cars #
numcars = int(input("Enter the number of cars:"))
# Index for carhours #
carhours = []
# loop from 0 to user input number of cars #
for i in range(0, numcars):
    print("Enter the hours of car #:")
    # User input for number of hours parked #
    hr = int(input("Enter number of hours parked:"))
    # Append hours to carhours so we can call value in list #
    carhours.append(hr)

# Print headers for table #
print("Customer", "\t", "Hours", "\t" * 2, "Fee")
# Assignment variable for total #
totalfee = 0
# Loop to calculate toatl #
for i in range(0, numcars):
    totalfee = totalfee + calculateParkingFee(i + 1, int(carhours[i]))
# Print str tab 3x to bring in line with fee and print total cost of fee #    
print("Total Fee", "\t" * 3, totalfee)

###Problem 11###
import random

def read_choice():
    print("Select operation.")
    return int(input("Enter the number of the operation 1. Add // 2. Subtract // 3. Multiply // 4. Divide // 5. Guessing game coinflip // 6. Guessing game random // 7. Exit):"))

def guessing_game_coinflip():
    # import random module #
    import random

    # while function to run program #
    while True:
        # generate random number 1/2 by calling randint object from random module #
        flip = random.randint(1, 3)
        # User input to enter choice #
        choice = int(input("Enter the number 1 For Heads, 2 For Tails or 0 To Exit"))
        # Conditionals based on input continue loop until user quits #
        if choice == 0:
            print("Goodbye")
            break
        elif choice == flip:
            print("You win")
        else:
            print("You loose")

def guessing_game_random():
    # Import random module #
    import random

    # generate random int between 1 - 10 using randint object inside random module #
    randomn = random.randint(1, 11)
    # Promt user to enter guess #
    guess = int(input("Guess any number 1 to 10 or 0 to Exit"))
    # Variable to track count #
    count = 1
    # Loop for program #
    while True:
        # Option for user exit #
        if guess == 0:
            print("Goodbe")
            break
        # Avoid negative inputs #    
        elif guess < 1:
            print("Please enter a valid selection") 
            guess = int(input("Guess any number 1 to 10 or 0 to Exit"))
        # Avoid inputs above range #
        elif guess > 10:
            print("Please enter a valid selection")  
            guess = int(input("Guess any number 1 to 10 or 0 to Exit"))
        # If incorrect give hint #
        elif (guess < randomn):
            print("You guessed too low")
        # if incorrect give hint #
        elif (guess > randomn):
            print("You guessed too high")
        # Correct input breaks loop, count update for loop and return to user input function #
        else:
            print("You guessed correctly, it only took you", count, "tries")
            break
        count = count + 1    
        guess = int(input("Guess any number 1 to 10 or 0 to Exit"))

def add_numbers(n1, n2):
    print("{} + {} = {}".format(n1, n2, n1 + n2))

def subtract_numbers(n1, n2):
    print("{} - {} = {}".format(n1, n2, n1 - n2))

def multiply_numbers(n1, n2):
    print("{} * {} = {}".format(n1, n2, n1 * n2))

def divide_numbers(n1, n2):
    print("{} / {} = {}".format(n1, n2, n1 / n2))

def main():
    while True:
        choice = read_choice()
        if 1 <= choice <= 4:
            n1 = int(input("Enter first number: "))
            n2 = int(input("Enter second number: "))
            if choice == 1:
                add_numbers(n1, n2)
            elif choice == 2:
                subtract_numbers(n1, n2)
            elif choice == 3:
                multiply_numbers(n1, n2)
            elif choice == 4:
                divide_numbers(n1, n2)
        elif choice == 5:
            guessing_game_coinflip()
        elif choice == 6:
            guessing_game_random()
        elif choice == 7:
            print("Goodbye")
            break
        else:
            print("Invalid choice!")
            
main()