实验1 Python开发环境使用和编程初体验

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)

print(x, end=' ')
print(y, end=' ')
print(z)

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))

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*'=')

，

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)

x, y = eval(input('Enter two oprands: '))
ans = x + y

print(f'{x} + {y} = {ans}')
print(f'{type(x)} + {type(y)} = {type(ans)}')

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}')

 

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))

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'))

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}')

 

from math import pi
text = '''
       好奇心是人的天性。
       理想情况下，学习新东西是让人愉快的事。 
       但学校里的学习似乎有点像苦役。 
       有时候，需要画一个大饼，每次尝试学一些新鲜的，才会每天变得更好一点点。 
       '''
print(text)
r = float(input('给学习画一个大饼，大饼要做的很大，半径要这么大: '))
circle = 2*pi*r
print(f'绕起来，大饼的圆周有这么长, {circle}, 够不够激发你探索未知的动力...')

x=eval(input('输入一个数：'))
y=x**365
print(f'{x}的365次方：{y}')

T0=eval(input('输入放入水中之前蛋的原始温度T0（℃）：'))
from math import pi
from math import log
t=(((47**(2/3))*3.7*((1.038)**(1/3)))/(0.0054*(pi**2)*((4*pi/3)**(2/3))))*log(0.76*(100-T0)/30)
f=int(t/60)
m=int(t-60*f)
print(f'T0={T0}℃, t={f}分{m}秒')