20220320

PythonBasic/LessonCode/input_output.py

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+print('Lesson ','1','"start"...\n')
+
+print("-------Demo 1-------\n")
+str = input('Please input your name:\n')
+print('Your input name is:',str)
+
+
+
+print("-------Demo 2-------\n")
+# Store input numbers
+num1 = input('Enter first number: ')
+num2 = input('Enter second number: ')
+# Add two numbers
+sum = float(num1) + float(num2)
+# Display the sum
+print('The sum of {0} and {1} is {2}'.format(num1, num2, sum))
+
+
+
+print("-------Demo 3-------\n")
+print('The sum is %.1f' %(float(input('Enter first number: ')) + float(input('Enter second number: '))))

PythonBasic/LessonCode/theString.py

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+
+#小明的成绩从去年的72分提升到了今年的85分，请计算小明成绩提升的百分点，并用字符串格式化显示出'xx.x%'，只保留小数点后1位：
+
+# -*- coding: utf-8 -*-
+s1 = 72
+s2 = 85
+r = ((s2/s1)-1.0)*100
+print('小明的成绩今年提升了：%.01f %%' % r)