Python 学习笔记变量 xxx XXX

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本文深入探讨了Python中变量的使用及字符串的各种操作方法，包括大小写转换、拼接、格式化输出、去除空白字符等，展示了如何利用字符串进行有效的信息表达。

Python 学习笔记变量 xxx XXX

name = "ada lovelace"
print(name.title())
print(name.upper())
print(name.lower())

first_name = "ada"
last_name =  "lovelace"
full_name = first_name + " " + last_name
print(full_name)
print("Hello, " + full_name.title() + "!")
message = "Hello, " + full_name.title() + "!"
print(message)

print("Python")
print("\tPython")

print("Languages:\nPython\nC\nJavaScript")

print("Languages:\n\tPython\n\tC\n\tJavaScript")

favorite_language = " Python "
print("[" + favorite_language + "]")
print("[" + favorite_language.rstrip() + "]")
print("[" + favorite_language.lstrip() + "]")
print("[" + favorite_language.strip() + "]")

age = 23
message = "Happy " + str(age) + "rd Birthday!"
print(message)

print(3 / 2)
print(3.0 /2)

print(4 + 4)
print(4 - -4)
print(4 * 2)
print(int(16 / 2))