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：