dazcona

# Command-line arguments are always strings.
# If we know that an argument is actually an integer, then we have to do the conversion ourselves.

# The first command-line argument is a string s, and the second command-line argument is an integer n.
# Output n copies of s on a single line.

import sys

s = sys.argv[1]          # s is a string
n = int(sys.argv[2])     # n is an integer

dazcona

import sys

i = 0
while i < len(sys.argv):
   print i, sys.argv[i]
   i = i + 1

dazcona

import sys

print sys.argv[0] # the name of the current script
print sys.argv[1] # the first command-line argument
print sys.argv[2] # the second command-line argument
print sys.argv[3] # the third command-line argument
                  # ... and so on

dazcona

a = [6, 3, 7, 8, 3, 7, 8, 2]

a[1:]      # [3, 7, 8, 3, 7, 8, 2]
a[2:4]     # [7, 8]
a[:]       # [6, 3, 7, 8, 3, 7, 8, 2]

dazcona

i = 0
while i < len(a)/2:
   tmp = a[i]
   a[i] = a[len(a) - i - 1]
   a[len(a) - i - 1] = tmp
   i = i + 1

dazcona

lines = []

line = raw_input()
while line != "end":
   lines.append(line)
   line = raw_input()

i = 0
while i < len(lines):
   print lines[len(lines) - i - 1]

dazcona

a = [1, 2, 3, 4]

a.pop()    # 4
           # a is now [1, 2, 3]

a.pop()    # 3
           # a is now [1, 2]

dazcona

a = []

line = raw_input()
while line != "end":
   a.append(line)
   line = raw_input()

dazcona

a = [1, 2]
a.append(3)

print a    # [1, 2, 3]

dazcona

# a = [ 10, 20, 3, 17, 100 ]
a = [ -10, -20, -3, -17, -100 ]

maximum = a[0]

i = 1
while i < len(a):
   if maximum < a[i]:
      maximum = a[i]
   i = i + 1