Python … continued

See also: https://realpython.com/learn/python-first-steps/
http://www.hlevkin.com/Shell_progr/hellopython.htm
http://sthurlow.com/python/lesson10/ (for file I/O)

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# Python program Filereadchars.py# Open a file
text_file = open("C:\mystuff\Ace\python.txt", "r+")
print text_file.readline(1)
print text_file.readline(5)
text_file.close()

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# Python program Filereadwhole.py# Open a file
text_file = open("C:\mystuff\Ace\python.txt", "r+")
whole_thing = text_file.read()
print whole_thing
text_file.close()

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# Python program Fileread.py# Open a file
# text_file = open(C:\Users\ASwarup\Documents\Python-Examples\python.txt","r+")
text_file = open("C:\mystuff\Ace\python_ex.txt","r+")
lines = text_file.readlines()
print "Read String is : ", lines
# Close opened file
text_file.close()

# Ex01_remove_duplicates.py: Program to remove duplicates from a list
data=[]
for i in range(6):
  item = int(input("Enter next number "))
  data.append(item)
# data = [10,20,30,20,10,50,60,40,80,50,40]
dup_items = set()
uniq_items = []
for x in data:
    if x not in dup_items:
        uniq_items.append(x)
        dup_items.add(x)
#print(dup_items)
print(uniq_items)
uniq_items.sort()
print(uniq_items)

# Ex02_sum.py: Python program to sum all the items in a list
def sum_list(items):
   sum_numbers = 0
   for x in items:
       sum_numbers += x
   return sum_numbers

data=[]
for i in range(6):
  item = int(input("Enter next number "))
  data.append(item)
# data = [10,20,30,20,10,50,60,40,80,50,40]

# print(sum_list([1,2,-8]))
# print(sum_list(data))
# http://www.thomas-cokelaer.info/tutorials/python/print.html
print("Sum of entered numbers is = %s" % sum_list(data))

# Ex03_Clone_List.py: Program to clone or copy a list
# original_list = [10, 22, 44, 23, 4]
list1=[]
for i in range(5):
  item = int(input("Enter next number "))
  list1.append(item)
new_list = list(list1)
print("Original list is: ")
print(list1)
print("Copied list is: ")
print(new_list)

# Ex04_Chk_List_Empty1.py: Program to check if a list is empty or not
mylist=[]
i=0
while 1:
   i+=1
   item=raw_input('Enter item %d: '%i)
   if item=='':
      break
   mylist.append(item)
print(mylist)
if not mylist:
    print("List is empty")
else:
    print("List is not empty")

# Ex04b_Chk_List_Empty.py: Program to print data from a list and message when list empty
# list1 = [10, 22, 44, 23, 4]
list1=[]
for i in range(5):
  item = int(input("Enter next number "))
  list1.append(item)
print list1
for i in range(5):
  list1.pop()
  print list1
  if not list1:
    print("List is empty.")

# Ex05_Compare_Lists_2.py: A python program that takes two lists and returns True ...
# ... if they have at least one common member
# See also: http://www.w3resource.com/python-exercises/

data = []
for i in range(5):
    card = int(input("Enetr the next item "))
    data.append(card)
print data

packet = []
for i in range(5):
    card = int(input("Enetr the next item "))
    packet.append(card)
print packet

def common_data(list1, list2):  
    result = False  
    for x in list1:  
        for y in list2:  
            if x == y:
                result = True  
    return (str(result))

# print(common_data([1,2,3,4,5], [5,6,7,8,9]))  
# print(common_data([1,2,3,4,5], [6,7,8,9])
print(common_data(data, packet))

# Ex06_Number_of_evens_odds.py: Count the number of evens & odds from a series of numbers
numbers = (1, 2, 3, 4, 5, 6, 7, 8, 9) # Declare the tuple  
count_odd = 0  
count_even = 0  
for x in numbers:  
        if not x % 2:  
             count_even+=1  
        else:  
             count_odd+=1  
print("Number of even numbers :",count_even)  
print("Number of odd numbers :",count_odd)

# Ex07_Insert_in_a_List.py: Program to insert number in a list in a sorted order
# Note: An extra indent couldn't be seen in notepad++, but showed in keditw
import bisect

def main():
   elements = raw_input("Enter list of numbers separated by spaces: ").split(' ')
   numberList = list(set(elements))
   numbers = sorted(map(int, numberList))
   print("The distinct numbers are: ", numbers)

   ilist = []
   prompt = "Number to insert -> "
   nmbr = raw_input(prompt)

   while nmbr:
      num = int(nmbr)
      # print('Number %s \n' % num)
      ilist.append(int(nmbr))
      bisect.insort_left(numbers, num)
      nmbr = raw_input(prompt)
      # print(ilist)

   print("The modified list is: ", numbers)

main()

# Ex08_Number_of_Upper-Lower_Chars.py: Count the number of uppercase and lowercase letters in a string
def string_test(s):  
    d={"UPPER_CASE":0, "LOWER_CASE":0}  
    for c in s:  
        if c.isupper():  
           d["UPPER_CASE"]+=1  
        elif c.islower():  
           d["LOWER_CASE"]+=1  
        else:  
           pass  
    print ("Original String : ", s)  
    print ("No. of Upper case characters : ", d["UPPER_CASE"])  
    print ("No. of Lower case Characters : ", d["LOWER_CASE"])  
  
# string_test('The quick Brow Fox')

cals = raw_input("Enter the String ")
string_test(cals)

# Ex09_Check_Palindrome.py: Program to check whether a passed string is palindrome or not
def isPalindrome(string):  
    left_pos = 0  
    right_pos = len(string) - 1  
      
    while right_pos >= left_pos:  
        if not string[left_pos] == string[right_pos]:  
            return False  
        left_pos += 1  
        right_pos -= 1  
    return True  
print(isPalindrome('aza'))
print(isPalindrome('madam'))
print(isPalindrome('nurses run'))

# Ex10_Check_if_number_in_range.py: Function to check if a passed number ...
# ...  is in a pre-specified range (3, 99)

def test_range(n):
    if n in range(3,99):
        print("The number %s is in the range" % str(n))
    else:
        print("The number %s is outside the given range" % str(n))

test_range(15)
test_range(101)