【“笨办法”学Python】26.恭喜你，现在可以考试了——修改程序_python 代码恭喜你已通过

25.更多更多的练习——自定义模块

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前言

  修改别人写的代码。

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一、修改前的代码

print("How old are you?", end=' ')
age = input()
print("How tall are you?", end=' ')
print("How much do you weigh?", end=' '
weight = input()

print(f"So, you're {age} old, {height} tall and {weight} heavy.")

script, filename = argv

txt = open(filenme)

print("Here's your file {filename}:")
print(tx.read())

print("Type the filename again:")
file_again = input("> ")

txt_again = open(file_again)

print(txt_again_read())

print('Let's practice everything.')
print('You\'d need to know \'bout escapes
      with \\ that do \n newlines and \t tabs.')

poem = """
\tThe lovely world
with logic so firmly planted
cannot discern \n the needs of love
nor comprehend passion from intuition
and requires an explanation
\n\t\twhere there is none.
"""

print("--------------)
print(poem)
print(--------------")

five = 10 - 2 + 3 -
print(f"This should be five: {five}"

def secret_formula(started)
    jelly_beans = started * 500
    jars = jelly_beans / 1000
    crates = jars  100
    return jelly_beans, jars, crates

start_point = 10000
beans, jars = secret_formula(start_point)

# remember that this is another way to format a string
print("With a starting point of: {}".format(start_point))
# it's just like with an f"" string
print(f"We'd have {beans} beans, {jars} jars, and {crates} crates.")

start_point = start_point / 10

print("We can also do that this way:")
formula = secret_formula(startpoint)
# this is an easy way to apply a list to a format string
print("We'd have {} beans, {} jars, and {} crates.".format(*formula))

people = 20
cates = 30
dogs = 15

if people < cats:
    print "Too many cats! The world is doomed!"

if people < cats:
    print("Not many cats! The world is saved!")

if people < dogs:
    print("The world is drooled on!")

if people > dogs
    print("The world is dry!")

dogs += 5

if people >= dogs:
    print("People are greater than or equal to dogs.")

if people <= dogs
    print("People are less than or equal to dogs.)

if people = dogs:
    print("People are dogs.")
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二、修改后的代码

from sys import argv

print("How old are you?", end=' ')
age = input()
print("How tall are you?", end=' ')
height = input()
print("How much do you weigh?", end=' ')
weight = input()

print(f"So, you're {age} old, {height} tall and {weight} heavy.")
str = "So, you're {} old, {} tall and {} heavy.".format(age, height, weight)

script, filename = argv

txt = open(filename,'w+')
txt.write(str)

print(f"Here's your file {filename}:")
print(txt.read())

print("Type the filename again:")
file_again = input("> ")

txt_again = open(file_again)

print(txt_again.read())

print("Let's practice everything.")
print("You\'d need to know \'bout escapes with \\ that do \n newlines and \t tabs.")

poem = """
\tThe lovely world
with logic so firmly planted
cannot discern \n the needs of love
nor comprehend passion from intuition
and requires an explanation
\n\t\twhere there is none.
"""

print("--------------")
print(poem)
print("--------------")

five = 10 - 2 + 3 - 6
print(f"This should be five: {five}")

def secret_formula(started):
    jelly_beans = started * 500
    jars = jelly_beans / 1000
    crates = jars / 100
    return jelly_beans, jars, crates

start_point = 10000
beans, jars, crates = secret_formula(start_point)

# remember that this is another way to format a string
print("With a starting point of: {}".format(start_point))
# it's just like with an f"" string
print(f"We'd have {beans} beans, {jars} jars, and {crates} crates.")

start_point = start_point / 10

print("We can also do that this way:")
formula = secret_formula(start_point)
# this is an easy way to apply a list to a format string
print("We'd have {} beans, {} jars, and {} crates.".format(*formula))

people = 20
cats = 30
dogs = 15

if people < cats:
    print( "Too many cats! The world is doomed!")

if people < cats:
    print("Not many cats! The world is saved!")

if people < dogs:
    print("The world is drooled on!")

if people > dogs:
    print("The world is dry!")

dogs += 5

if people >= dogs:
    print("People are greater than or equal to dogs.")

if people <= dogs:
    print("People are less than or equal to dogs.")

if people == dogs:
    print("People are dogs.")
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三、程序运行结果

  在Window上键入Python就可以看到结果。

python ex26.py text.txt
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总结

  以上内容介绍了Python的练习修改别人的代码，有关Python、数据科学、人工智能等文章后续会不定期发布，请大家多多关注，一键三连哟(●’◡’●)。