~~~MUST BE IN PYTHON!! NOT JAVE~~~ NEED 8.4, 9.2, 9.7 - WILL INCREASE POINTS IF

Question

~~~MUST BE IN PYTHON!! NOT JAVE~~~

NEED 8.4, 9.2, 9.7 - WILL INCREASE POINTS IF I GET THESE FAST ENOUGH, AND IF THEY ARE RIGHT!!

8.4 (Occurrences of a specified character) Write a function that finds the number of occurrences of a specified character in a string using the following header:
def count(s, ch):

The str class has the count method. Implement your method without using the count method. For example, count("Welcome", 'e') returns 2. Write a test program that prompts the user to enter a string followed by a character and displays the number of occurrences of the character in the string.

Explanation / Answer

8.4)

def string(strin,ch):
   count=0
   for c in strin:
       if c ==ch:
           count=count+1
   return count

9.2)

def future_value():
   investmentAmount=float(raw_input("Enter the amount to invest: "))
   monthlyInterestRate=float(raw_input("Enter the interest rate : "))
   years=float(raw_input("Enter the number of years: "))
   futureValue=investmentAmount * (1 + monthlyInterestRate) **(years*12)
   return futureValue

9.7)

import random
def main():
   num=int(raw_input())
   matrix(num)
def matrix(n):
   listy=[]
   for i in range(n*n):
       listy.append('0')
   print listy
   for j in range(random.randint(0,n*n)):
       random_position=random.randint(0,n*n-1)
       listy[random_position]='1'
   pos=0
   for i in range(n):
       for j in range(n):
           print listy[pos],
           pos=pos+1
       print ' '

if __name__ == '__main__':
   main()

last one not in GUI, but it displays the matrix of two numbers 0,1. can be treated as colors.

Related Questions

Navigate

• Browse (All)
• Browse #
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.