实验1 Python开发环境使用和编程初体验作业

实验任务1:

print('hey, u') print('hey', ' u') x,y,z = 1,2,3 print(x, y, z) print('x = %d, y = %d, z = %d'%(x,y,z)) print('x = {}, y = {}, z = {}'.format(x,y,z)) print(f'x = {x}, y = {y}, z = {z}') print(x) print(y) print(z) 

 

运行结果:

 

 

实验任务2:

x1, y1 = 1.2, 3.57 x2, y2 = 2.26, 8.7 print('{:-^40}'.format('输出1')) print('x1 = {}, y1 = {}'.format(x1, y1)) print('x2 = {}, y2 = {}'.format(x2, y2)) print('{:-^40}'.format('输出2')) print('x1 = {:.1f}, y1 = {:.1f}'.format(x1, y1)) print('x2 = {:.1f}, y2 = {:.1f}'.format(x2, y2)) print('{:-^40}'.format('输出3')) print('x1 = {:<15.1f}, y1 = {:<15.1f}'.format(x1, y1)) print('x2 = {:<15.1f}, y2 = {:<15.1f}'.format(x2, y2)) print('{:-^40}'.format('输出3')) print('x1 = {:>15.1f}, y1 = {:>15.1f}'.format(x1, y1)) print('x2 = {:>15.1f}, y2 = {:>15.1f}'.format(x2, y2)) 

 

 

运行结果:

 

 

 

实验任务3:

name1, age1 = 'Bill', 19 name2, age2 = 'Hellen', 18 title = 'Personnel Information' print(f'{title:=^40}') print(f'name: {name1:10}, age: {age1:3}') print(f'name: {name2:10}, age: {age2:3}') print(40*'=') 

 

 

 

运行结果:

 

 

 

实验任务4:

r1 = eval('1 + 2') print(type(r1), r1) r2 = eval('[1, 6, 7.5]') print(type(r2), r2) r3 = eval('"python"') print(type(r3), r3) r4 = eval('7, 42') print(type(r4), r4) 

 

 

运行结果:

 

 

 

 

实验任务5:

ans1 = 0.1 + 0.2 print(f'0.1 + 0.2 = {ans1}') from decimal import Decimal ans2 = Decimal('0.1') + Decimal('0.2') print(f'0.1 + 0.2 = {ans2}') 

 

 

 

 

运行结果

 

 

 

 

实验任务6:

print(chr(0x1f600), end = ” “)
print(chr(0x1f601), end = ” “)
print(chr(0x1f602), end = ” “)
print(chr(0x1f603), end = ” “)
print(chr(0x1f604))
print(chr(10000), end=” “)
print(chr(0x025b), end=” “)
print(chr(0x2708), end=” “)
print(chr(0x00A5), end=” “)
print(chr(0x266b))
# ord()返回字符的unicode编码
print(ord(‘a’), end = ” “)
print(ord(‘b’), end = ” “)
print(ord(‘c’))
print(ord(‘A’), end = ” “)
print(ord(‘B’), end = ” “)
print(ord(‘C’))
print(ord(‘0’), end = ” “)
print(ord(‘1’), end = ” “)
print(ord(‘2’))

 

 

运行结果:

 

 

 

 

 

实验任务7:

from math import sqrt n = float(input('输入一个数:')) ans1 = sqrt(n) ans2 = n**0.5 print('%.2f的平方根是: %.2f' %(n, ans1)) print('{:.2f}的平方根是: {:.2f}'.format(n, ans2)) print(f'{n:.2f}的平方根是: {ans2:.2f}') 

 

 

运行结果:

 

 

 

 

实验任务8:

for i in range(3): x=eval(input()) y=x**365 print(f'{x}的365次方是{y}')

 

 

 

运行结果

 

 

 

 

 

实验任务9:

import math from math import pi M=[47,67] for i in range(2): p=1.038 c=3.7 K=5.4*10**(-3) T=eval(input()) tw=100 ty=70 t=(pow(M[i],2/3)*c*pow(p,1/3))/(K*pow(pi,2)*pow((4*pi)/3,2/3))*math.log(0.76*(T-tw)/(ty-tw)) min=t//60 second=round(t-min*60,2) print(f'T={T}℃,t={min}分{second}秒') 

 

运行结果:

 

 

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原文链接:https://www.cnblogs.com/XIMU0353/p/16068783.html

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