Contents

  1. ./demo_str.py
  2. ./escape_sequences.py
  3. ./search.py
  4. ./string_compare.py
  5. ./string_methods.py

./demo_str.py 1/5

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# Demonstrate long strings and escape sequences
# by Sara Sprenkle

string = """This is a long string.
Like, really long.
Sooooo loooooong"""

print(string)

print("\n") # how many blank lines does this print?

print("To print a \\, you must use \"\\\\\"")


./escape_sequences.py 2/5

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# Practice with escape sequences
# By CS111


# Display To print a tab, you must use '\t'.
print("To print a tab, you must use \'\\t\'.")
print("To print a tab, you must use '\\t'.")
print('To print a tab, you must use \'\\t\'.')


# how many blank lines does this print?
print("\n")


# Display I said, "How are you?"
print("I said, \"How are you?\"")
print('I said, \"How are you?\"')
print('I said, "How are you?"')

./search.py 3/5

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# Demonstrate use of "in" operator for strings as well
# as an if test
# Sara Sprenkle

PYTHON_EXT = ".py"

filename = input("Enter a filename: ")

if PYTHON_EXT in filename:
    print "That filename contains", PYTHON_EXT


if filename[-(len(PYTHON_EXT)):] == PYTHON_EXT:
    print "That's a name for Python script"


# QUESTION: SHOULD THIS BE AN IF/ELIF?
# What is the impact of that change?




./string_compare.py 4/5

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# Program compares two strings
# by Sara Sprenkle

str1 = input("Enter a string to compare: ")
str2 = input("Compare '" + str1 + "' with what string? ")

print("-" * 40)

if str1 < str2 :
    print("Lexicographically,", str1, "comes before", str2 + ".")
elif str1 > str2:
    print("Lexicographically,", str2, "comes before", str1 + ".")
else:
    print("You tried to trick me!", str1, "and", str2, "are the same word!")

./string_methods.py 5/5

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# Manipulate strings, using methods
# by Sara Sprenkle

sentence = input("Enter a sentence to mangle: ")

length = len(sentence)

# Question: What does the statement below do?
print("*", sentence.center(int(length*1.5)), "*")

upperSentence = sentence.upper()
print(upperSentence)
print(sentence)

print("Uppercase: ", sentence.upper())
print()
print("Lowercase: ", sentence.lower())
print()

# Answer before running...
print("Did sentence change?: ", sentence)

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