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x = 100 # int
y = str(x) # 将整型转换为字符串
print(type(y)) # <class 'str'>
a = "100" # 必须是纯字符串,"100yu"不可以
b = int(a)
print(type(b)) # <class 'int'>
x = 100 # int
y = str(x) # 将整型转换为字符串
print(type(y)) # <class 'str'>
a = "100" # 必须是纯字符串,"100yu"不可以
b = int(a)
print(type(b)) # <class 'int'>