examResult.py源代码分析

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# Fig. 3.15: fig03_15.py

# Analysis of examination results.

# initialize variables

passes = 0 # number of passes

failures = 0 # number of failures

studentCounter = 1 # student counter

# process 10 students; counter-controlled loop

while studentCounter <= 10:

result = raw_input( "Enter result (1=pass,2=fail): " )

%输入两个值，1代表通过，2代表不及格

result = int( result ) # one exam result

%转化为int型

if result == 1:

passes = passes + 1

%如果result为1，则通过的个数加1

else:

failures = failures + 1

%如果result为0，则失败数加1

studentCounter = studentCounter + 1

%计数器加一

# termination phase

print "Passed", passes

%打印通过的个数

print "Failed", failures

%打印失败的个数

if passes > 8:

print "Raise tuition"

%如果通过率超过0.8，则提高本门课程的学费