日期：2017-12-30 作者：秋的懵懂
# coding=utf-8
# 打印測(cè)試
print('_______________________________________________')
print("打印測(cè)試：")
print('hello world!')
print('_______________________________________________')
# 單行注釋
'''
多行注釋
'''
"""
多行注釋
"""
# 變量
print('\n\n_______________________________________________')
print("變量：")
message = 'hello python world'
print(message)
message = 'hello python crash course world!'
print(message)
print('_______________________________________________')
# 修改大小寫
print('\n\n_______________________________________________')
print("修改大小寫：")
name = 'adc lovelace'
print('開(kāi)頭字母大寫：', name.title())
print('全部轉(zhuǎn)成大寫：', name.upper())
print('全部轉(zhuǎn)成小寫：', name.lower())
print('_______________________________________________')
# 合并（拼接）字符串
print('\n\n_______________________________________________')
print("合并（拼接）字符串：")
first_name = '文應(yīng)'
last_name = '魏'
full_name = last_name + first_name
print(full_name)
print('_______________________________________________')
# 制表符和換行符（添加換行）
print('\n\n_______________________________________________')
print("制表符和換行符（添加換行）：")
print('\\t作為table鍵:' + '\t' + 'table')
print('\\n作為Enter鍵:' + '\n' + 'line')
print('_______________________________________________')
# 刪除空白
print('\n\n_______________________________________________')
print("刪除空白(直接python輸入才有顯示!!!)：")
favorite_language = ' python '
favorite_language
# 刪除后面(rear)空白
favorite_language = favorite_language.rstrip()
favorite_language
# 刪除前面空白
favorite_language = favorite_language.lstrip()
favorite_language
favorite_language = ' python '
# 刪除前后空白
favorite_language = favorite_language.strip()
favorite_language
print('_______________________________________________')
# 數(shù)字
print('\n\n_______________________________________________')
print("數(shù)字：")
# 加減乘除
data = 1 + (1 - 1) + (2 * 2) + (2 / 1)
# 下面兩個(gè)都輸出1.5,Python2中前者輸出1
print(data)
data = 3 / 2
print(data)
data = 3.0 / 2
print(data)
# 2的3次方
data = 2 ** 3
print(data)
print('_______________________________________________')
# 函數(shù)str()
print('\n\n_______________________________________________')
print("數(shù)str():")
age = 23
message = 'Happy ' + str(23) + 'rd Birthday!'
print(message)
print('_______________________________________________')
# 顯示python的一些名言
print('\n\n_______________________________________________')
print("Python之禪:")
import this
print('_______________________________________________')
